question 12 part a is hydrogen bonds
and 13 is because helium is a noble gas
hope it helps
That would be a Meteorologist.
This would be an example of D. <u>Founder Effect</u>
Mesozoic should be the correct answer.
Oxygen and glucose are both reactants in the process of cellular respiration. The main product of cellular respiration is ATP; waste products include carbon dioxide and water.
