Answer:
it's a molecule
Explanation:
if it was just hydrogen it would be an atom, but when you add another element it becomes a molecule.
Answer:Because of where they are from.
Explanation:
Geographic, or physical, barriers result in geographic isolation
The correct answer is "R<span>oots to leaves".
Hope this helps!
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Answer:
Mutation
Explanation:
Mutation is any alteration or change in the genetic sequence of a gene caused by mutagens (substances) or mistakes during replication of genetic sequences.
A mutation occurs in the gene from time to time, although, the cell has protocols in place to put them under control if they occur. However, when DNA or a gene is being copied and transferred to offsprings, there is bound for mistakes called MUTATION to occur.
Answer:
A proposed answer to a question or problem that can be verified or rejected through testing. A hypothesis statement is typically an educated guess as to the relationship between factors, and serves as the basis for an experiment to test whether the relationship holds true.
Explanation: