Answer:
hydrogen is a colorless, odorless, nonmetallic, tasteless, highly flammable diatomic gas
Explanation:
Hydrogen is part of the Noble gas family
Answer:
I think mixture
Explanation:
Mixture because it is a mixture of water and carbon
Not 100% sure, but I think it’s Water, hope this helps
Answer:
It will be C.
Explanation: If you read all of the other choices closely they don't make sense in context. (Option A) wouldn't make sense because removing things that could be reused would be inefficient to the body (and waste can't typically be reused in the human body). (Option B) growing too tall isn't particularly healthy or helpful, but it's not exactly life threatening either. And the very last choice is just nonsense period.