all compounds are negatively charged, true or false?
Answers
Answer:
false
Explanation:
"Electrons are the "material" of the charge that is flowing. Therefore, current can never cause a metal object to become positively or negatively charged, because the net number of electrons in the metal object will never change due to current flow."
Related Questions
How many chromosomes does the human genome contain?.
Answers
see the file attached!o(〃＾▽＾〃)o
________ is the greenhouse gas that has had the most impact on climate change and it is released into the atmosphere by __________.A. CuSO4 (copper sulfate), miningB. SO2 (sulfur dioxide), burning fossil fuelsC. NO2 (nitrogen dioxide), deforestationD. CO2 (carbon dioxide), burning fossil fuels
Answers
Carbon dioxide is the main greenhouse gas emitted by human activities. Human activities include the burning of fossil fuels such as oil (gasoline) and coal. This gas is released into the atmosphere as complete combustion of fossil fuels is achieved.
We can conclude that the correct answer is:
Answer:D. CO2 (carbon dioxide), burning fossil fuels
A weather system is shown moving through the Great Plains region of the United States in the map here. Which data could be collected in order to determine the movement and severity of the storm shown here? Select ALL that apply.
A) measuring the wind speed within the storm system
B) measuring the air temperature to the east of the storm system
C) measuring the humidity level to the south of the storm system
D) measuring the ground temperature on the west side of the storm system
E) measuring the barometric air pressure on both sides of the storm front
Answers
Answer:
A) B) E)
Explanation:
A) measuring the air temperature to the east of the storm system
B) measuring the barometric air pressure on both sides of the storm front
E) measuring the wind speed within the storm system
Since storms are caused by atmospheric circulation, changes in temperature, and pressure, the best metrics to use to predict the storm system's movement has to do with wind, wind direction, and pressure/temperature of the air. The ground temperature and the humidity are less important.
Answer:
A B E i agree i did a test on this. Its right
Explanation:
A) measuring the wind speed within the storm system
B) measuring the air temperature to the east of the storm system
E) measuring the barometric air pressure on both sides of the storm front
Use the model in the passage to identify and describe another system that interacts with the digestive system.
Answers
The circulatory system is another system that interacts with the digestive system.
How is the circulatory system related to the digestive system?A good illustration of how many biological systems communicate with one another is the circulatory system. Through an intricate web of blood vessels, your heart pumps blood. For instance, your blood picks up nutrients your body received from your most recent meal as it travels through your digestive system.
The majority of the nutrients in your meal are absorbed in your small intestine before being transported by your circulatory system to other areas of your body for storage or utilization. A special type of cell helps nutrients pass through the gut lining and into the circulation.
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Cilia and flagella move...
A) In opposite directions of the cell membrane
B) When the bending of microtubules is powered by ATP
C) In the same direction of the cell membrane
D) When the contractions of the basal body triplets are powered by ATP
E)When the central pair of microtubules produce ATP
Answers
Answer:
A in opposite direction of the membrane
Consider a cube with length 3cm and another with length 4cm,which of the two cubes will have a a greater surface area volume ratio
Answers
Answer:
Cube with length 4cm.
Explanation:
The surface area of cube is 6a^2.
For cube with length 3
A= 6a^2
A= 6 ×(3×3)
=6(9)
= 54cm
For cube b.
A=6(a^2)
= 6×(4×4)
6(16)
= 96cm
Why are dead or weakened viruses used instead of normal viruses to create a vaccine?
Answers
because dead viruses aren't as effective as dead than "alive"
(15 points) Aerobic cellular respiration takes place in the mitochondria and uses oxygen to break down glucose. However, when cells need large amounts of energy and no oxygen is available, anaerobic respiration can take place in the cytoplasm. What is the difference in the products of aerobic and anaerobic cellular respiration?
Answers
Answer:
There are two kinds of respiration: Aerobic and Anaerobic. ... Aerobic respiration takes place in the presence of oxygen, produces a large amount of energy. Carbon dioxide and water are produced as the waste products. Anaerobic respiration takes place without the use of oxygen, produces small amounts of energy.
Explanation:
I looked it up for u :D
Soil Conservation - Assessment VI
Which of the following is NOT a form of soil degradation?
A.High organic matter
B.Salinization
C.Soil compaction
D.Acidic soil
Answers
Volcanic Mountains are formed when an oceanic plate collides with a continental
plate. The oceanic plate is subducted under the continental plate.
• True
• False
Answers
Possible explanations for the origin of life in structure, function, and behavior among
organisms are contained in the
A.Fluid-mosaic model
B. Gene-chromosome theory
C.Theory of evolution
D. Cell theory
Answers
Answer:
D. Cell Theory
cell-tissue-organ- organ system- organism
fill in the blank question fill in the blank question. a condition in which microbes get past the host defenses, enter the tissues, and multiply is called a(n) .
Answers
A condition in which microbes get past the host defenses, enter the tissues, and multiply is called an infection.
An infection refers to the invasion and multiplication of microorganisms in the body tissues, leading to an abnormal or harmful condition. When microbes, such as bacteria, viruses, fungi, or parasites, are able to breach the host's defense mechanisms, they can establish themselves in the body and proliferate.
The body has various defense mechanisms to protect against pathogens. These include physical barriers like the skin, mucous membranes, and immune responses such as inflammation, phagocytosis, and the production of antibodies. However, if these defense mechanisms are compromised or if the invading microorganisms are particularly virulent or abundant, they can overcome these defenses and cause an infection.
Once the microorganisms enter the tissues, they find a suitable environment to multiply and grow. They may exploit host cells for nutrients and use the body's resources for their own survival. As they multiply, they can damage tissues, interfere with normal bodily functions, and trigger an immune response.
The signs and symptoms of an infection can vary depending on the type of microorganism involved, the affected body part, and the individual's immune response. Common symptoms of infection can include fever, inflammation, pain, redness, swelling, discharge, fatigue, and specific symptoms related to the affected organ or system.
Treatment of an infection typically involves targeted antimicrobial therapy, which may include antibiotics, antiviral medications, antifungals, or antiparasitic drugs, depending on the specific pathogen causing the infection. Additionally, supportive care, rest, and hydration are often recommended to help the body's immune system combat the infection.
In summary, an infection occurs when microorganisms successfully evade the host's defenses, enter the tissues, and multiply. It is a dynamic process influenced by the interplay between the microorganisms and the host's immune system. Prompt recognition, diagnosis, and appropriate treatment are essential for managing infections and promoting recovery.
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Besides building muscle tissue, protein functions includeGroup of answer choicesBuilding hormones and enzymesIncreasing immune functionAcid base balanceAll of the above
Answers
Beside building muscle tissue, protein functions include:
Building hormones and enzymes:
Both enzymes and hormones are proteins. The first help the different reactions that happen in the body by catalyzing them, affecting digestion, energy production and many other reactions. Hormones act as chemical messengers transmiting information between cells, tissues and organs.
Increasing immune function:
Proteins are involved in the production of immunoglobulins which are antibodies. These protect the body from bacteria and viruses.
Acid base balance:
They act as a buffer system because they help the body maintain the correct pH of the blood and other fluids.
Therefore the right answer is the last one: All of the above
cytochalasin b is a chemical that disrupts microfilament formation
Answers
Choose the term that correctly describes the relationship between these two sugar molecules: a. structural isomers b. cis-trans isomers c. enantiomers d. isotopes
Answers
The two compounds are structural isomers.
What are isomers?Isomers are compounds with the same molecular formula but different structural formula. This implies that isotopes have different atom to atom connections. This means that the atoms are connected differently.
Let us now examine the two structures in the image attached to this answer, we can see that the two compounds differ only in the position of the carbonyl bond.
This implies that the two compounds are structural isomers.
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how did you get this answer i don't get it
Answers
What question?- there's nothing there
the outermost wall of an artery or vein is called the __________ and in large arteries and veins it contains the __________.
Answers
The outermost wall of an artery or vein is called the tunica externa and in large arteries and veins, it contains the vasa vasorum.
The tunica externa is also known as the adventitia and is composed of connective tissue, collagen fibers, and elastic fibers. Its main function is to provide structural support to the vessel and anchor it in place. The vasa vasorum are small blood vessels that supply oxygen and nutrients to the cells within the tunica externa.
In larger vessels, such as the aorta, the vasa vasorum also supply oxygen and nutrients to the cells in the tunica media, which is the middle layer of the vessel wall. The vasa vasorum are essential for maintaining the health and integrity of the vessel wall, particularly in large arteries and veins where diffusion of oxygen and nutrients from the lumen is insufficient.
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Question 7 of 10
A cell membrane is very specific about what it allows across. How does this
help the cell?
O A. Transport proteins allow only enzymes to pass through the
membrane.
O B. It is better for the cell if most molecules are prevented from
entering.
O C. The cell works better when it contains fewer proteins.
D. It helps the cell absorb as many different molecules as possible.
Answers
Answer:
The answer is D
Explanation:
As the cell is mostly dependant on ingested materials so this will help the cell to grow and perform other important activities in the cell
Consider the following statement and the diagrams below and answer the questions. *Permanent tissues displaced a variety of shapes and cell wall features that are related to their functions in the plant.
Answers
Option a is parenchyma, option B is collenchyma, and option C is scelerenchyme. All three of these are types of plant tissues that provide structural support and perform various functions in plants.
Parenchyma is one most the common and versatile type of plant tissue that consists of living cells with thin cell walls. Parenchyma cells are generally isodiametric, and they have large central vacuoles. The cells can store nutrients such as starch, proteins, and water, and take part in photosynthesis and gas exchange. Collenchyma cells have an elongated shape, and also providing flexible support and thickened cell wall etc. Sclerenchyma cells provide rigid support to plant organs and help with conductivity too.
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In a test cross, a homozygous recessive pea plant with green seeds is mated with a yellow-seeded plant of unknown genotype. If all the progeny have yellow seeds, then the genotype of the yellow-seeded plant is
Answers
The genotype of the yellow-seeded plant is heterozygous (Gg) for seed color.
The genotype of the yellow-seeded plant in this test cross can be determined based on the observed phenotypes of the progeny. If all the progeny have yellow seeds, it indicates that the yellow-seeded plant contributed a dominant allele for seed color. Since the homozygous recessive pea plant used in the test cross has a genotype of gg (both alleles for seed color are recessive), the yellow-seeded plant must be heterozygous for seed color.
Therefore, the genotype of the yellow-seeded plant is Gg, where G represents the dominant allele for yellow seed color and g represents the recessive allele for green seed color.
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These plants have free-living gametophytes and free-living sporophytes. The sporophyte generation is dominant and larger than the gametophyte generation. There is one type of spore, and the gametophyte generation grows outside of the spore wall. Which plant or plants am I describing? (SELECT ALL THAT APPLY) 000000000 Ferns Cycads Selaginella Lycopodium Conifers Ginkgo Hornworts Mosses Angiosperms 3 pts Liverworts
Answers
The correct answers are: Ferns, Hornworts, Mosses, and Liverworts.
The plants that fit the given description are:
Ferns: Ferns have free-living gametophytes and free-living sporophytes. The sporophyte generation is dominant and larger than the gametophyte generation. Ferns produce one type of spore, and the gametophyte generation grows outside of the spore wall.Horworts: Hornworts also have free-living gametophytes and free-living sporophytes. The sporophyte generation is dominant and larger than the gametophyte generation. Hornworts produce one type of spore, and the gametophyte generation grows outside of the spore wall.Mosses: Mosses have free-living gametophytes and free-living sporophytes. The sporophyte generation is dominant and larger than the gametophyte generation. Mosses produce one type of spore, and the gametophyte generation grows outside of the spore wall.Liverworts: Liverworts also have free-living gametophytes and free-living sporophytes. The sporophyte generation is dominant and larger than the gametophyte generation. Liverworts produce one type of spore, and the gametophyte generation grows outside of the spore wall.Therefore, the correct answers are: Ferns, Hornworts, Mosses, and Liverworts.
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The diagram below shows the details of an experiment in which three similar table-clothes (1, 2 and 3) with i dentical fat stains, were washed in a biological enzyme containing powder solution in the same washing machine at three different temperatures, 15°C ;37°C and 64°CIdentify the depenent variable
Answers
The eradication or reduction of the fat stains on the tablecloths serves as the experiment's dependent variable. Based on the various temperatures at which the washing is done, it is the consequence or result that is being monitored and observed.
The amount to which the stains are eradicated or reduced will serve as the dependent variable for evaluating how well the biological enzyme-containing powder solution removes the stains.
The experimenters can examine the effect of temperature on the efficiency of the enzyme solution in eliminating the fat stains by comparing the findings obtained from washing the tablecloths at various temperatures.
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Which two statements are true for fungi?
A.) They can produce their own food because they have chlorophyll.
B.) They often form symbiotic relationships with trees.
C.) They digest food externally.
D.) They can absorb nutrients from food, even though they lack digestive enzymes.
Edmentum (Plato)
Answers
Answer:
B They often for symbiotic relationships with trees
C They digest food externally
Explanation:
Which of the following are viruses unable to infect?
Answers
Answer:
non living things
Hope this helps :) !!!
can someone help ASAP
Answers
Position C shows Southern Hemisphere as summer and northern hemisphere as winter
i want to paraphrase this part
Likewise, dengue transmission is on rise due to unusual global warming, as various vectors like mosquitoes, previously rare
in this part of the world, are breeding faster. Consequently, the geographical distribution of vector-borne infectious diseases is likely to proliferate with an incremental increase in the duration and intensity of heat and humidity globally. Humanity is now standing at a crossroads. We must now decide which path we want to take. How do we want the future living conditions for all living species to be like?" remarked Greta Thunberg.
Answers
Greta Thunberg's remark serves as a reminder that humanity must make a crucial choice regarding the future living conditions for all species. The escalating transmission of diseases like dengue due to global warming demands immediate action. We have the power to shape a sustainable future and prioritize the well-being of all living beings. It is our responsibility to act decisively, mitigating the effects of climate change and safeguarding the planet for generations to come. Together, we can create a path that fosters a harmonious coexistence for all species.
Similarly, the incidence of dengue transmission has been escalating due to the alarming effects of global warming. Unusual changes in temperature have led to the proliferation of various disease-carrying vectors, such as mosquitoes, that were previously uncommon in this region. This, in turn, has raised concerns about the geographic spread of vector-borne infectious diseases, which are expected to expand as global heat and humidity levels rise.
At this critical juncture, humanity faces a pivotal choice. Greta Thunberg, a prominent environmental activist, highlights the urgency of the situation and calls upon us to consider the consequences of our actions. The future living conditions for all species hang in the balance, and our decisions today will profoundly impact life on Earth. We have the power to shape a future that prioritizes sustainability and the well-being of all living beings, or one that perpetuates the harm caused by climate change. It is our responsibility to act decisively, implementing measures to mitigate global warming and safeguard the planet for generations to come. Together, we can forge a path towards a sustainable and harmonious coexistence for all living species.
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Which of the following is least likely to be classified as a new food product? Butter reformulated to have less cholesterol A salad dressing product in a new single-serve size container A sports drink product with new flavor European Chocolate bar that starts sales in the US Question 14 2 pts Which of the following is NOT a part of Phase I (Product Definition) in food product development? Conduct consumer research Sell product at a marketplace Set a business goal Define product features
Answers
The sports drink product with new flavor is least likely to be classified as a new food product.
New food product refers to the food products that are new or altered in a significant way. A food product can be classified as new if it is introduced into the market for the first time, or when it undergoes a significant change or alteration. The least likely among the options to be classified as a new food product is the sports drink product with new flavor. This is because the introduction of new flavors of an already existing food product may not necessarily make the product a new one.
Flavors can be altered or changed without significantly changing the product.
The other options have the potential of being classified as new food products. Butter reformulated to have less cholesterol could be classified as a new food product, especially if it is introduced into the market for the first time.
A salad dressing product in a new single-serve size container could also be classified as a new food product since the alteration in size may significantly change the way the product is perceived and used.
Finally, the European chocolate bar that starts sales in the US can be classified as a new food product since it is introduced into a new market (US) for the first time.
Notably, conducting consumer research, setting business goals, defining product features, and selling the product in a marketplace are essential steps in product development. However, selling the product in the marketplace is not part of Phase I (Product Definition) in food product development.
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What are the greatest sources of greenhouse gas emissions in the US.? What are some of the strategies for reducing greenhouse gas emissions? What is the difference between market-based consumer-focused vs. national-focused (cap and trade, fee and dividend)? What is outsourcing carbon? What types of strategies for addressing climate change do you think would be effective, equitable, and address both climate justice?
Answers
The greatest sources of greenhouse gas emissions in the US include energy production from fossil fuels, transportation, and industrial activities.
To reduce these emissions, strategies such as transitioning to renewable energy sources, improving energy efficiency, promoting low-carbon transportation, and implementing carbon pricing mechanisms can be effective.
Market-based approaches like cap and trade and carbon fee and dividend provide economic incentives for emission reductions. However, these strategies should also prioritize climate justice and equity by considering the impacts on marginalized communities. International cooperation is vital for addressing global climate change and ensuring effective and equitable solutions. By combining these strategies, we can work towards a sustainable and equitable future while mitigating the impacts of climate change.
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If oxygen was removed from the equation, what chemical would build up?
Answers
Answer:
co2
Explanation:
Hope this helps, have a nice day!
What are the SIX parts of a DNA molecule?\
Answers
Answer:
DNA is made up of six smaller molecules -- a five carbon sugar called deoxyribose, a phosphate molecule and four different nitrogenous bases (adenine, thymine, cytosine and guanine)
Explanation:
.