The correct answer is individuals
I hope this help
I think it's A
the cell membrane contain protein molecules
The answer is C, because covalent compounds can only form between those that are gases (at least at first)
Answer:
Scientists are perhaps some of the smart few that make up the human population and are never short on knowledge. They research and discover and conduct tests to gain more knowledge, but the answer to your question is stars are huge celestial bodies made mostly of hydrogen and helium that produce light and heat from the churning nuclear forges inside their cores, and scientist know this because of their research.
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