Answer:
Hydrogen and helium account for nearly all the nuclear matter in today's universe. This is consistent with the standard or "big bang" model. ... Basically , the hydrogen-helium abundance helps us to model the expansion rate of the early universe. If it had been faster, there would be more neutrons and more helium.
Explanation:
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A crystalline substance that contains water molecules is a ___. <em><u>hydrate</u></em>
Answer:
In Metaphase 1 of meiosis, the chromosomes all line up in pairs in the middle
Answer:
it will float because the density of water is 1g/cm³ and is therefore less dense
Explanation:
