I had to look for the options and here is my answer:
The two requirements for nuclear fusion that are needed to be met in order for the elements hydrogen and helium fuse to make heavier elements are extremely high temperatures and density. Hope this helps.
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An atom consists of a positively charged nucleus, surrounded by one or more negatively charged particles called electrons. The positive charges equal the negative charges, so the atom has no overall charge; it is electrically neutral.
Answer:
D
Explanation:
As bioindicators are the organism that indicate or monitor the health of the environment
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ionic bonding occurs when unstable atoms donates one or more valence electrons to a unstable atom
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