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Romashka-Z-Leto [24]
3 years ago
9

How do electrons gain energy in photosystem I?

Biology
2 answers:
Ratling [72]3 years ago
6 0
It’s B they absorb protons
sertanlavr [38]3 years ago
3 0
Answer is B. They absorb photons from sunlight.
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Define each of the following and contrast them with one another 1 mineral 2 metal 3 ore 4 alloy
LenKa [72]

Answer:

mineral -

This is any element or inorganic compound. It is a naturally occuring solid chemical compound found in pure form. It is commonly found within rocks.

metal -

an element known for is lustrous, opaque, and malleable properties. Metals are good conductor of heat and electricity.

ore -

This is a natural rock from which minerals, elements or metals can be extracted through mining.

alloy -

An alloy is a group of metals or metals that have one or more other elements. Take for example, red gold is a combination of gold and copper while white gold is a combination of silver and gold.

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What is Structure!????????? ​
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<h2><em>What is Structure!????????? </em></h2>

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How does the reproductive system maintain homeostasis?
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Explain why the process of mitosis is importance in cells
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