Lipids are made up of carbon, hydrogen, and oxygen. So I'm assuming A would be the best answer. Proteins are made up of carbon, hydrogen, oxygen, and nitrogen and nucleic acids are made up of carbon, hydrogen, oxygen, nitrogen, and phosphorus.
This is more of an answer based off of knowledge than fact, but i believe its that "New ideas often develop from unsuccessful experimentation."
<span>The three groups of amphibians: Frogs, Salamanders, Caecilians are different when they reach adulthood. Frogs have four legs with strong hind legs and no tails. Salamanders have tails and four short, weak legs that cause them to walk instead of jump. Lastly, Cacilians have no legs and are burrowing animals.
Amphibians must live in moist environments because they loose water through their thin skin. They need to be near water to replenish the lost water. Also their skin helps them breathe and they can get oxygen from the water.</span>
Both adenine and thymine are a base pair.
Answer:
False
Explanation:
An aquifer is an underground layer of water-bearing permeable rock or rock fractures or. The system shows two aquifers with one aquitard. Some abundant small openings store a large quantity of water. Groundwater may exist in underground rivers or underground cave systems where water flows freely underground. If the impermeable area overlies the aquifer, pressure could cause it to become a confined aquifer.
