PLEASE HELP !!
On Earth we can easily see Mercury, Venus, and Mars in the night sky. The planets look like they are moving through the stars because the
A) Earth is orbiting the Sun.
B) sky is swirling overhead on Earth.
C) all objects in space orbit around the Earth.
D) planets are moving in their own orbit around the Sun.
Answers
Related Questions
In a parallel circuit, if one bulb goes out the other bulbs will continue to work because they each have their own path.
a. True
b. False
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Answer:b
Explanation:
What type of circuit is this in the picture? (Lesson 4.07)
A: Parallel
B: Open
C: Ac
D: Series
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Answer: hope this helps ♡
A: Parallel
Explanation:
It's a parallel circuit because it has two or more paths for the electricity to flow through (the paths are parallel).
Answer:
A
Explanation:
In which state is the best known source of petrified wood located? A Arizona B Alaska C California D Colorado
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Answer:
Arizona.
Explanation:
Petrified Forest National Park is an American national park in Navajo and Apache counties in northeastern Arizona. Named for its large deposits of petrified wood, the park covers about 346 square miles (900 square kilometers), encompassing semi-desert shrub steppe as well as highly eroded and colorful badlands.
As you know bone marrow makes red blood cells, white blood cells, and platelets and as you grow it begins to store fat. What do you think a bone marrow transplant will allow the recipient to do?
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Answer: A bone marrow transplant can allow the recipient to produce healthy blood cells if their own bone marrow is damaged or not functioning properly.
The living things in a marsh ecosystem might include plants, fish, water bugs,
heron, and turtles. Which of the following statements about food chains in a marsh
ecosystem is NOT true?
A. All of the living things get their energy from the plants.
B. A marsh ecosystem is made up of producers and consumers.
C. The consumers in the marsh ecosystem make their own food.
D. The Sun is the source of energy for all living things in the marsh.
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Answer:
C. The consumers in the marsh ecosystem make their own food.
Explanation:
Producers are the ones who make their own food via sunlight, air, etc. Consumers cannot make their own food, and therefore must consume (eat) other plants/animals to survive.
What two gases in the atmosphere do animals and plants need to breathe and grow?
Answers
Answer: Explanation:
Plants and animals each produce the gases that the other needs to live. Plants need carbon dioxide—people and other animals exhale carbon dioxide as a waste product. People and other animals need oxygen—plants produce oxygen during an important process called photosynthesis, which turns the sun's energy into nutrients.
Mahiya and Mrinmoy are in a relay around a square field with each side of length 60m. First, Mahiya runs at a speed of 6 ms−1 for 60m to pass a baton to Mrinmoy. Then Mrinmoy runs 120m at 4ms−1 while Mahiya runs through the field to reach the other corner. Then Mrinmoy passes the baton. But Mahiya is now tired since she has been constantly running. So, she only runs at 3ms−1 for the final 60m. What is the average speed of the baton in ms−1?
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The average speed of the baton can be determined by dividing the total distance travelled by the total time taken for that travelling.
\(Average\ Time = \frac{Total\ Distance}{Total\ Time}\)
First, we will find the total distance, by adding the distances travelled by both Mahiya and Mrinmoy, while carrying the baton.
\(Total\ Distance = Distance\ Travelled\ by\ Mahiya\ to\ pass\ the\ baton\ to\ Mrinmoy\ +\ Distance\ Travelled\ by\ Mrinmoy\ to\ pass\ the\ baton\ to\ Mahiya\ +\ Final\ Distance\ Travelled\ by\\ Mahiya\)Total Distance = 60 m + 120 m + 60 m = 240 m
Now, we will find the total time taken for this travelling. To find out the total time we will divide each distance travelled by the speed of the traveller during that distance:
\(Total\ Time = \frac{60\ m}{6\ m/s}+\frac{120\ m}{4\ m/s}+\frac{60\ m}{3\ m/s}\\\\Total\ Time = 10\ s\ +\ 30\ s\ +\ 20\ s\)
Total Time = 60 s
Now, we finally find the average speed of the baton by using the formula:
\(Average\ Time = \frac{Total\ Distance}{Total\ Time}\\\\Average\ Time = \frac{240\ m}{60\ s}\)
Average Speed = 4 ms⁻¹
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Name some applications of white surfaces.
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brick has a mass of 100 G and a volume of 25 cm squared, if you chop the brick in half what is the density of one half of the brick?
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Answer: Density is defined as mass divided by volume, therefore: 100g/25cm3 = 4 g/cm3.
Explanation:
Answer:
Density is defined as mass divided by volume, therefore: 100g/25cm3 = 4 g/cm3.
I need help!!! I will give YOU brainliest if you answer something I like!\
How can something follow the law of conservation of energy?
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Answer:
The law of conservation of energy says that the total energy of a closed system will remain constant (so its conserved over time). This law is also where you get energy can't be created or destroyed, only converted. One example is a bowling ball hitting pins. Since the bowling ball has kinetic energy (it's moving), hitting the pins will transfer the ball's energy over to the pins. This makes the bowling pins fall over.
Which of the following statements is true of electromagnetic waves but NOT mechanical waves.
A. can travel through a medium
B. can travel through a vacuum
C. transfers energy
D. electromagnetic waves and mechanical waves are identical
Answers
Answer:
a
Explanation:
what the heck is a medium
The statement that true of electromagnetic waves but NOT mechanical waves is can travel through a vacuum.
What are electromagnetic waves?Electromagnetic waves are waves that occur in electromagnetic field which travel and are propagated through space. They have wavelengths.
Therefore, The statement that true of electromagnetic waves but NOT mechanical waves is can travel through a vacum.
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A meteor falls toward Earth's surface. Given that the acceleration due to
gravity is 9.8 m/s^2, what is the meteor's potential energy if it has a mass of 10
kg at an altitude of 400 m?
O A. 408 J
O B. 7,840,000 J
O C. 2J
O D. 39,200 J
Answers
Answer:
39,200J
Explanation:
just took the test
The meteor's potential energy if it has a mass of 10kg at an altitude of 400 m will be 39200 J
What is potential energy ?Potential Energy that depend upon the relative position of various parts of system . It is an energy possessed by an object by virtue of its position or configuration.
mass(m) = 10kg
g (acceleration due to gravity) = 9.8m/s^2
altitude(height (h)) = 400m
Meteor's Potential energy = m * g * h
= 10 * 9.8 * 400 = 39200 J
correct option will be a) 39200 J
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Please someone help with all of these 3
Answers
Answer: Because they all share the same square root
Explanation:
h = 6.63 × 10−34 J.s = 4.136 × 10-15 eV.s
Answer:
A=12 B=36 C=1 D=36
Explanation:
Where does groundwater come from?
Answers
Hope this helps.
Please mark as brainliest..........
Answer:
Groundwater is the water found underground in the cracks and spaces in soil, sand and rock. It is stored in and moves slowly through geologic formations of soil, sand and rocks called aquifers.
Explanation:
What is Groundwater - Groundwater Foundationwww.groundwater.org the source I got it from
Which hand is negatively charged?
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Answer:
Right because there are plus inside the hand
Which of the facts listed below are true?
I. A solenoid is made from loops of wire or metal.
II. A solenoid is a straight line of wire.
III. A solenoid must always be made of plastic.
IV. A solenoid can generate a magnetic field from an applied electrical current.
V. A solenoid can be used to make an electromagnet.
A. I, IV, and V
B. II, III, and V
C. II, III, and V
D. I, III, and V
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PLEASE HELP-HISTOGRAM-SCIENCE
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A couple wants to build a holiday cottage, the cottage is not connected to an electricity grid, but the cottage is next to a small river. The river is always flowing and never dries up, the weather is often windy.
Which one should they get to receive energy.
a wind turbine
solar cells
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Answer:
Wind turbine since the place is often windy
Why is it important for a peer to review your writing, in addition to reviewing it yourself?You still have the ideas in your head, so you may not notice when they did not make it onto the page.
You will ignore all of the problems in your report because you won’t want to fix the problems.
All of the above
A peer has a better understanding of your topic than you do and can find mistakes.
Answers
Answer:All of the above
Explanation:
The half-life of sodium-24 is 15 minutes. What was the original mass of Na-24 if 5.0 g remains after 1 hour?
20 g
40g
80g
100g
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40g remains after an hour.
answer
40g
plz hurry How fast can work be done by a 7 horsepower engine?
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Answer:
It will go about 45-50 mph.
Explanation:
Depending on what you are hauling.
Would you classify petroleum as a renewable or nonrenewable resource? Justify your answer in two or more complete sentences.
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Answer:
Petroleum is a nonrenewable resource. This being because it is a natural gas that take millions of years for it to reform which means each part of it is a once in a lifetime use.
What do we call the area of a solar eclipse where the Moon covers the Sun, but the outline of the Sun can still be seen?
Penumbra
Umbra
Antumbra
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help me pls i need the answer
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The graph shows the motion of a car. Which segment shows that the car is slowing down? A, B, C, or D Graph:
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C segment of the graph shows that the car is slowing down.
What is velocity?The rate at which a body's displacement changes in relation to time is known as its velocity. Velocity is a vector quantity with both magnitude and direction. SI unit of velocity is meter/second.
In the given graph, Velocity of varying with time. When the car is slowing down, the slope of the graph is negative in this region.
According to figure: segment C and segment E has negative slope. Hence, according to the option: C segment of the graph shows that the car is slowing down.
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Which of the following forces has not changed Earth's surface?
folding
erosion
weathering
gravity
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Answer:Gravity is the force among the options listed that has not directly changed Earth's surface.
Explanation:
Gravity is a fundamental force that acts on all objects with mass, including the Earth itself, but it does not cause changes or modifications to the Earth's surface features. Instead, gravity influences the movement of materials and the shape of the Earth's surface by exerting a pulling force on objects. On the other hand, folding, erosion, and weathering are all processes that directly contribute to shaping
What does this mean?
Pick one of the statistics shared that does not fit your current paradigm and share how you think you would feel if it was part of your own reality?
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it's not letting me comment my original answer
I think it's saying
choose one of the options that doesn't take place in the current reality
then explain how things would be different and how it would feel if it was real life
What is the formula for electrical power?
O A. P= IV
O B. P = IR
O C. P = IVR
O D. P = IV/R
Answers
Answer:
I'm pretty sure it's C.
Which of these statements best represents the law of conservation of energy?
A: Potential energy can be completely converted to kinetic energy.
B: The total energy in a system decreases over time.
C: Energy is being created in the universe every day
D: The energy created by machines can be lost.
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Please fill in the blanks. The words are: qualitative date, quantitative date, bar graph, circle graph, and line graph. Please no fake answers
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Answer:
There are many types, including: Pie charts and bar graphs are used for qualitative data. Histograms (similar to bar graphs) are used for quantitative data
Explanation: