Calcium provides strength as a element, though it is present as calcium chloride on the exoskeletons.
The third option "Rhyolitic" would be your answer.
Answer:
Longer hydrocarbon molecules have a stronger intermolecular force. More energy is needed to move them apart so they have higher boiling points . This makes them less volatile and therefore less flammable .
Answer: False. HIV cannot reproduce on its own.
