Answer:
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The answer is C. thousands of galaxies
because<span> Hubble found 10,000 of galaxies just by observing one small little area in space.
So, it has to be thousands.</span>
Nuclear power plants have a rare type of uranium and uranium is a non renewable resource
Biotic factors of an ecosystem are all the living organisms that affect other organisms in an ecosystem and include animals, plants, microorganisms, dead organisms, and even animal waste. Example of biotic factors include: Grass as producers (autotrophs).
Answer:
A) They form chemical bonds with other atoms
Explanation:
In chemistry, a valence electron is an outer shell electron that is associated with an atom, and that can participate in the formation of a chemical bond if the outer shell is not closed; in a single covalent bond, both atoms in the bond contribute one valence electron in order to form a shared pair.
