Which process is the most scientifically plausible explanation for how the organisms released oxygen into Earth's atmosphere? Group of answer choices
Answers
Answer:
Photosynthesis
Explanation:
Studies about the time period of oxygen accumulation suggests that free oxygen was first produced by prokaryotic and then later by eukaryotic organisms in the ocean. These organisms carried out photosynthesis more efficiently, producing oxygen as a waste product.
The organism mainly responsible for this is known as cyanobacteria, or blue-green algae. These microbes conduct photosynthesis: using sunshine, water and carbon dioxide to produce carbohydrates and, oxygen.
Related Questions
according to isaac newton, why does the universe function harmoniously and orderly?
Answers
Isaac Newton did not attribute the harmonious and orderly functioning of the universe to any specific philosophical or theological belief. Instead, he sought to understand and describe the laws of nature through his scientific investigations, particularly in the field of physics.
Newton's laws of motion and his law of universal gravitation provided a mathematical framework to explain the motion of celestial bodies and other physical phenomena. He believed that these laws were applicable throughout the universe and that they governed the interactions and behaviors of objects.
According to Newton, the harmony and order observed in the universe were a result of these fundamental laws of nature. He proposed that the motion of celestial bodies, such as planets orbiting the sun, could be described by mathematical equations and explained by the gravitational attraction between masses.
It is important to note that Newton's scientific explanations focused on describing and understanding natural phenomena based on empirical observations and mathematical formulations, rather than ascribing metaphysical or philosophical reasons for the harmonious functioning of the universe.
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What is a rumor wave ?
Answers
Answer:
Following are the answer to this question:
Explanation:
The wave is propagating at the incident wave which focuses on the stretchy and rotational inertia features of the whole medium via a material system. For both the mechanical waves there are many two basic types of incident waves: quality management program and transverse waves.
The rumor is also known as the "Norman Rockwell", in which the environment of some of the greatest physics attempts of our time, it pays to remain suspicious when remarkable reports of historical findings are made on social media.
Is weight AFFECTED by gravity?
YES, the force of gravity determines how much you weigh.
NO, regardless of gravity, you will always weigh the same. w
Answers
Answer:
This answered one of my questions, thanks
Explanation:
Answer:
the answer is NO regardless of gravity, you will always weigh the same.
Explanation:
Look up about 3 centimeters ⬆️
A 110 kg fire-fighter descends down a pole. He experiences 530N of
friction.
d. Determine the fire-fighters weight
e. Draw an FBD
f. Determine the Fnet
Answers
How far would a jet going 155 m/s travel in 9 s?
Answers
Answer:
1,395 m
Explanation:
155×9
multiply m/s by 9s
5
Drag each tile to the correct box.
Adam takes a bus on a school field trip. The bus route is split into the five legs listed in the table. Find the average velocity for each leg of the trip.
Then arrange the legs of the trip from highest velocity to lowest:
Leg Distance (km) Time (min)
A 18
9
B 25
15
C С 24
8
D
48
12
E
15
7
leg A
leg B
leg C
leg D
leg E
Reset
Next
Answers
2) C
3) E
4) A
5) B
Answer:
1) D
2) C
3) E
4) A
5) B
Explanation:
Hope this help!
A current of 10 A moves through a circuit that contains multiple resistors in parallel. Which statement correctly describes the current through the resistors?
The current through all of the resistors will add up to 10 A.
The current through each resistor will be 10 A.
The current will be greatest through the resistor with the highest resistance.
The current will travel only through the resistor with the least resistance.
Answers
Answer:
The current through all of the resistors will add up to 10 A.
Explanation:
if you kick a large bowling ball on earth, it will hurt your foot. what will happen if you kick the same bowling ball in space? make a claim and construct an argument from evidence.
Answers
If you kick a large size ball on the earth it will hurt your foot but in space there is no resistance so if you kick the ball over there the ball will move in the direction of force also it will not hurt your foot.
What is Newton's third law?Newton's third law states that if two bodies meet, they exert forces on each other that are comparable in size and directed in the opposite direction.
Action and reaction law is another name for the third law. This law is critical in understanding issues involving static equilibrium, in which all the forces are in balance, but it also holds true for entities moving uniformly or quickly.
If you kick a large ball on the earth, the earth will apply the reaction force by newton's third law, then it will hurt your foot. But this will not happen in the space.
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Amateur radio operators in the United States can transmit on several bands. One of those bands consists of radio waves with a wavelength near 15.m.. Calculate the frequency of these radio waves. Be sure your answer has the correct number of significant digits.
Answers
Based on the information provided, the frequency of the radio waves is equivalent to 19,985,497 Hertz.
How to calculate the frequency of the radio waves?When it comes to analyzing waves, the frequency can be described as the number of waves crossing a specific point at a specific time. This can be calculated using the formula:
Frequency = Speed of Light (This is approximately 299,792,458 meters per second)/ Wavelength
Frequency = 299,792,458 m/s / 15 m
Frequency ≈ 19,985,497 Hz
Therefore, the frequency of the radio waves with a wavelength near 15 m is approximately 19,985,497 Hz.
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A metal ball rolls from rest at Point A down the track to Point E as shown below.
At which point in the picture above is the velocity at its greatest?
Answers
Answer:
Explanation:
Velocity is at its greatest when kinetic energy is at its max which is when all the ball's energy has been transformed from potential energy to kinetic energy which is at the lowest point in its travels (assuming the ball is rolling down a ramp). You have no picture here so this answer is a general one, not a specific one.
¿Que le ocurre a un folículo después de liberar a un ovulo?
Answers
nesecitabas ayuda hace 1 hora, todavia la nesecitas?
Match each scenario to the form of energy it represents.
a man jogging in the park
a stove burner that's turned on
an apple on a tree
a fully charged camera battery
A. gravitational potential energy
B. motion energy
C. electric potential energy
D. radiant energy
Answers
Answer: and apple on the tree is gravitational and potential
fully charged camera battery is electric/ potential energy a man jogging is motion energy and a stove burner that is turned on is radiation energy
Explanation:
hope this helps
A 12 kg object has 500 j of kinetic energy. What is it's speed?
Answers
Answer: 9.13 m/s
Explanation:
Hi there,
The equation for kinetic energy is
\(KE=\frac{1}{2} mv^2\)
With m representing mass and v representing velocity. Before you start a problem, it is very important to check what units you are working with. Mass should always be in kg and velocity in m/s, so it looks like you are all set.
Start by plugging in the given numbers to their respective spots:
\(500.0=\frac{1}{2} (12.0)v^2\)
From there, you can just solve for velocity. It should be 9.13 m/s. Remember to round to your significant figures and keep units consistent.
Hope this helps!
Module 3 Discussion!
After reading Ch.12 and 13 of the text (The essentials of Finance and Accounting for nonfinancial managers/ Third Edition) on Strategy and Financial Forecasting, watching the SWOT video based on Paley’s Products from the Ratio Analysis in Module 2 and the additional narrative information in Appendix C, Phase
Create a SWOT analysis that will reflect the TOWS analysis as described in Ch. 12 of the text. The purpose of the SWOT analysis is to lay out several issues and possibilities to be considered in Paley’s strategic planning. The strengths and weaknesses are internal issues, whereas the opportunities and threats are external.
The second part of the analysis is to create actions based on the SWOTs. This is sometimes called a TOWS analysis and is done by comparing the boxes, two at a time:
Offensive actions come from strengths that link to opportunities, so a specific strength can be applied to exploit an opportunity.
Adjusting actions come from addressing weaknesses, which then can be used to exploit opportunities that previously had not been possible.
Turnaround actions come from weaknesses that link to threats. These are high-risk issues where a priority needs to be given to addressing the weakness to minimize the vulnerability.
Defensive actions come from threats that link to strengths. These are latent issues because if the threat materializes, an already-existing strength is available to counter it.
Additional actions can be included to address other issues not directly identified in the SWOTs.
3. From the actions identified in part 2, pick 3-5 strategic actions that you feel Paley must achieve or at least start in the upcoming year and state your reasons for including them.
Attach your completed SWOT form and list of strategic actions with supporting logic and facts from the case as your answer for this discussion question. These actions are the foundation for the strategic plan
Answers
SWOT Analysis Strengths- Paley’s Products has a low overhead cost with the company operating at a high level of efficiency, resulting in competitive pricing.- They have a team of experienced employees who have worked in the industry for several years.- They have a variety of products in the portfolio that can satisfy customers from different sectors.- They are reputable and have a loyal customer base.Weaknesses- They have been slow to adopt new technology, and this may be a disadvantage to the company.- Limited marketing and sales promotion are affecting their sales revenue.-
They depend on a few key customers for the bulk of their sales revenue, leaving them vulnerable to market changes.Opportunities- Expansion of the product line to include unique products.- The establishment of strategic partnerships with other businesses in the industry.- Exploration of new markets, such as international markets.- Improvement of marketing techniques to increase brand awareness.Threats- Changes in consumer preferences towards environmentally friendly products.- Increase in competition from other businesses in the industry.- Fluctuating market prices for raw materials that may lead to price increases.
Strategic Actions to be taken by Paley Products1. Development of an E-commerce platform to allow online transactions with customers. The E-commerce platform will enable Paley to reach a wider customer base, expand its reach, and increase sales revenue.2. Investment in the research and development of new environmentally friendly products. Paley will remain competitive and cater to the needs of consumers who prefer green products.3. Establishment of strategic partnerships with other businesses in the industry to leverage the strength of other companies in the industry and to develop new products or increase market share.4. Improvement of marketing techniques to increase brand awareness and improve visibility. A marketing strategy that incorporates social media and other digital channels can help promote the brand to potential customers.5. Expansion into international markets. This will enable Paley to diversify its customer base and generate more revenue. Paley can start by targeting nearby countries, then expand globally as they gain more experience and financial stability.
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The energy of a given wave in the electromagnetic spectrum is 2.64 × 10-21 joules, and the value of Planck’s constant is 6.6 × 10-34 joule·seconds. What is the value of the frequency of the wave?
Answers
Answer:
4.00 × 1012 hertz
Explanation:
-2,-9 reflected across the y axis??
Answers
Answer:
(2,-9)
Explanation:
Reflection over the y-axis:
As a general rule any point (x, y) reflected over the y-axis becomes ( -x, y)
The y-axis acts like a mirror.
Reflect (-2, 9) over the y-axis:
The point (-2,-9) reflected over the y-axis becomes point ( 2,-9)
List two things you should not do when encountering a funeral procession?
Answers
party and being happy..........
A bus leaves Houston at 6am headed toward Austin at a constant speed of 54.3 miles/hr. If Austin is located 190 miles west of Houston, approximately when will the bus arrive in Austin?
Answers
resolved for the constant speed as the ratio of distance and time. We have B as the speed, the, as the distance at the at the time it is given that the bus leaves easter and other exactly six o'clock in the morning In Travis at a constant speed of 54.3 mph to Austin, which is located at a distance of 190 miles away. We want to find the arrival time. So first is that satisfying the time of travel to suffer the time from the given equation. And we have B equals distance divided by the speed. The distance is 190 miles and the speed is 54.3 mph. We get time here in terms of R. S. S 3.5, So it takes three hours and three hours and 30 minutes to travel, he said distance. So if it's if the bus departs at the at the time of six of clubs, So three hours and 30 minutes after that, it will arrive to Austin. So that means the arrival time will be nine 30 in the morning, So that's three hours and 20 minutes. Oh, after six o'clock. So I hope everything is clear.
A tennis ball is thrown straight up into the air with an initial velocity of 12.7 m/s. How high does the tennis ball travel?
Answers
Answer:
8.22m
Explanation:
As interpreted from this problem, the angle of launch is 90 degrees as it is thrown straight up. Given an angle launch of 90°, upward initial velocity of 12.7m/s, and initial height of 0m. A much simpler equation can be used to find the maximum height.
\(h_{max} = h_ {0} + \frac{{v_0}^{2} }{2g}\)
this means that the max height is equal to the initial height plus the initial velocity squared divided by 2 times the acceleration of earth's gravity(≈9.8m/s^2 or 10m/s^2 depending on how you fix it).
when substituted into the equation, you should get.
(9.8m/s^2)
hmax = 0 + ((12.7)^2)/(2*9.8)
hmax = 161.29/19.6 ≈ 8.22
hmax = 8.22m
A large rock has a mass of 7.84 x 107 grams. What is this mass inItons. 1 ton = 907.2 kilograms.
Answers
The mass of the rock is approximately 86.304 tons.
To convert the mass of the rock from grams to tons, we can use the conversion factor that 1 ton is equal to 907.2 kilograms.
Mass of the rock = 7.84 x 10^7 grams
To convert grams to kilograms, we divide by 1000:
Mass in kilograms = (7.84 x 10^7 grams) / 1000 = 7.84 x 10^4 kilograms
Now, to convert kilograms to tons, we divide by 907.2:
Mass in tons = (7.84 x 10^4 kilograms) / 907.2 = 86.304 tons
Therefore, the mass of the rock is approximately 86.304 tons.
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tom and his group were making a poster for their classroom to depict the way that electricity and magnetism work together which of the following should the group to their poster
Answers
Currents can be created by magnetic fields. A current is capable of creating a magnetic field.
What are the interactions between electricity and magnetism?Magnetic fields are constantly shifting, pushing and pulling electrons. Metals like copper and aluminium have slackly held electrons. As a magnet is moved around a wire or a coil of wire, the electrons in the wire are pushed, creating an electrical current.
Is sound energy potential or kinetic?Sound energy can be made up of both kinetic and potential energy. A musical instrument is one possible illustration. When the instrument is performed, sound waves are produced that have kinetic energy. Nevertheless, potential energy is all that is present when that same musical instrument is at rest.
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In the simulation, both elastic and inelastic collisions take the same amount of time. In which type of collision is the acceleration less? Why?
Answers
Answer:
its ealstic.
Explanation:
Because the change in velocity is less in an inelastic collision, the acceleration is also less in an inelastic collision.
1. compare the discharge of the rio grande at albuquerque and at otowi bridge (located upstream, near santa fe)
Answers
The Rio Grande is one of the largest river systems in the United States, running over 3,000 kilometers from the mountains of Colorado to the Gulf of Mexico. The river flows from north to south and passes through several states, including Colorado, New Mexico, and Texas.
A comparison of the discharge of the Rio Grande at Albuquerque and at Otowi Bridge (located upstream, near Santa Fe) is as follows: Albuquerque: It is the largest city in New Mexico, situated in the central part of the state. The Rio Grande flows through the city, where it is dammed to form a large lake known as Elephant Butte Reservoir. The discharge of the Rio Grande at Albuquerque is around 100 cubic feet per second (cfs) during normal conditions.
This means that the river has twice the volume of water at Otowi Bridge than at Albuquerque.During times of drought, the river's discharge can drop to dangerously low levels, affecting wildlife and human communities that rely on the river for water. The river's discharge can also increase during periods of heavy rainfall or snowmelt, leading to flooding in downstream communities.
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How much force is needed to make a 225 kg object accelerate at a rate of 2.5 m/s²?
Answers
F=ma using formula and solve your question
A car carrying a 75-kg test dummy crashes into a wall at 25 m/s and is brought to rest in 0.1 s. Show that the average force exerted by the seat belt on the dummy is 18,750 N.
Answers
By considering the relationship between impulse and momentum, we can show that the average force exerted by the seat belt on the dummy is 18,750 N.
Newton's 2nd Law of Motion
The law state that the rate of change of momentum is directly proportional the force applied.
Given that a car carrying a 75-kg test dummy crashes into a wall at 25 m/s and is brought to rest in 0.1 s. The impulse of the car will be equal to its momentum. That is,
Ft = mv
Where
Force F = ?mass m = 75 kgvelocity v = 25 m/stime t = 0.1 sSubstitute all the parameters into the equation given above.
0.1 F = 75 × 25
0.1F = 1875
F = 1875/0.1
F = 18750 N
Therefore, It is shown that the average force exerted by the seat belt on the dummy is 18,750 N.
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Which example demonstrates constant speed with changing direction?
Answers
Uniform circular motion is defined as the constant-speed movement of an object in a circle.
What is Speed?The definition of speed is. The rate at which an object's position changes in any direction. Speed is defined as the ratio of distance traveled to time spent traveling.
Speed is classified as a scalar quantity because it has only one direction and no magnitude.
In summary, the act of turning away or in the opposite direction. reversal, reverse, reversion, turnabout, turnaround.
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Why is countercurrent flow better for dialysis?
Answers
The countercurrent flow is better for dialysis because-
The dialysate flows in the opposite direction from the blood. More urea and creatinine are removed from the blood as a result of the dialysate and blood flowing counter-currently, which optimizes the concentration gradient of solutes between the two fluids.
All throughout the dialyzer's length, countercurrent flow optimizes the concentration gradient between blood and dialysate Small solute clearance falls by 10% when blood flow and dialysate flow are cocurrent (moving in the same direction). Because they produce a more consistent temperature difference between the fluids along the whole length of the fluid channel, counter flow heat exchangers naturally outperform parallel flow heat exchangers in terms of efficiency.As an illustration, a faster blood flow rate boosts clearance by increasing the volume of blood evacuated each minute7. Additionally, a quicker dialysate flow rate results in more solutes being removed from the dialysate fluid, increasing the concentration gradient and the clearance rate8–10.To know more about dialysis here
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Solenoids are often used to operate the starter switch in a car engine. When a car is turned on, electric charges flow through the solenoid. The magnetic field that the solenoid generates causes a switch to move and close. The closed switch starts the engine. What does this tell you about the material of the switch?
Answers
The magnetic force allows to find the result for the question about the characteristics of the material is:
The material must be metallic. Iron is the metal that has the most electrons with unpaired spin and feels the greatest magnetic force.Ampere's Law.
Ampere's law explains the formation of the magnetic field due to the movement of the charges in the solenoid wire.
magnetic force characteristics.
For the switch to move it must be a metal that is attracted by the magnetic field, to increase the force to the maximum possible it must be a metal that has many electrons with unpaired spin and these can feel the force of the magnetic field.
One of the most used metals is iron, which has 5 unpaired electrons and is the one that most feels the forces of the magnetic field.
In conclusion using the magnetic force we can find the result for the question is:
The material must be metallic. The Iron is the metal that has the most electrons with unpaired spin and feels the greatest magnetic force.
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Fill in the missing word. Nuclear fusion is difficult to achieve because at low temperatures and pressures
the positively charged nuclei of deuterium and tritium electrostatically
each other.
Answers
Answer:
Nuclear fusion is difficult to achieve because at low temperatures and pressures the positively charged nuclei of deuterium and tritium electrostatically each other is explained below in complete details.
Explanation:
For nuclear fusion to happen, very eminent temperatures are needed to succeed the opposing force between the positively energized nuclei of a specific isotope. Fusion doesn't release dangerous toxins like co2 or other greenhouse gases into the environment. Its significant by-product is helium: an inactive, non-toxic gas. No long-lasting radioactive ruin: Nuclear fusion reactors generate no high action, long-lived nuclear ruin.
Answer:
repel
Explanation:
its called electrostatic repulsion
Three resistors are placed in series. They have the following resistances: R1 = 20 ohms, R2 = 20 ohms, R3 = 10 ohms. What
current would be moved through this circuit by a 5-V power supply?
Answers
Answer:
0.10 A
Explanation: