Which one of the following will form an acidic solution in water? NaF NH4Cl KNO3 LiI?

I believe the answer is keratin

The cardiovascular system

Which organelle pictured is critical for glucose production?

Which organic molecule is responsible for the insulation of internal organs against shock?

A seaweed is the answer.

Plants  and Mold

Options:

All the organisms that are given here belong to more than one food chain.

Which organization collects consumer complaints, stops unfair practices, and sues companies? better business bureau food...