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alexira [117]
3 years ago
14

Me ajudem a resolver essas questoes

Biology
1 answer:
dimaraw [331]3 years ago
8 0

Answer:

]l;[

Explanation:

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Describe a neutron and identify its three main parts.
sweet-ann [11.9K]

Answer: A neutron is actually a subatomic particle that can be found in the nucleus of every atom except that of simple hydrogen and... I wasn't sure about the three parts for a neutron but for an atom is : protons, neutron, and electrons.

Explanation:

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What allowed the earth’s atmosphere to increase in oxygen concentration?
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These microbes conduct photosynthesis: using sunshine, water and carbon dioxide to produce carbohydrates and oxygen increase. Additionally, some sources you could use that I used to answer this question was

https://www.scientificamerican.com/article/origin-of-oxygen-in-atmosphere/

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In a simple food chain, small fish eat algae; bigger fish eat the smaller fish; bears eat the bigger fish.
katrin2010 [14]

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Grass

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A sample of rock is found to contain 100 grams of a parent isotope. How many grams of the parent isotope will remain after two h
Alja [10]
The answer is 50. I really hope this helps.
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Animals and most microorganisms are classified as chemoorganoheterotrophs. The prefixes "chemo," "organo," and "hetero" refer to
7nadin3 [17]

Answer: Option A.

Electrons,carbon and energy.

Explanation:

Chemorganoheterotrophs are organisms that uses organic substrates to produce carbon needed for their growth and development. They derive their energy from oxidation and reduction of organic substances. The use the reduced carbon produced by autrotophs as as source of electrons, carbon and energy. Example is fungi that uses carbon as electron donor and source for carbon and energy.

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