The primary source of energy that drives convection within the atmosphere and oceans is the sun.
Answer:
A
Explanation:
to make copies or offspring to need sexual cells which carry DNA needed it can be asexual or sexual
Answer:
Independent Variable: Give one group the drug and dont give the other group the drug
Dependent Variable:The data of if the drug improves the rats memory(if their memory is better, the same, or made worse)