SECTION&078 QUESTION 19 OF 20
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Despite a lot of scientific evidence and many theories why does the origin of the universe remain a question to
scientists? Select all that apply.
because there is not enough evidence to prove any one theory
because no one was there to witness it, so it can never be proven
because there are many competing theories that explain the evidence
because none of the evidence supports the theories
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there are no statements provided but here is why:

sulfur belongs to group 16 because it can be found in nature whether it is in a free or combined state.

hope this

there are two significant figures.

answer: cellular respiration takes in food and uses it to create atp, a chemical which the cell uses for energy. usually, this process uses oxygen, and is called aerobic respiration. it has four stages known as glycolysis, link reaction, the krebs cycle, and the electron transport chain.