Why must artery walls be thicker than vein walls

River systems on the western side of the rocky mountains flow into the pacific ocean / river systems on the eastern side of the rocky mountains flow in the opposite direction, into the atlantic ocean. what are the rocky mountains called? a.

What is an advantage of using lobster casitas? A. They improve economic conditions. B. They increase the lobster population. C. They prevent diving accidents. D. They reduce predation on small fish.

Is dna the same in every cell in the human body explain your answer

Lawrence experienced a major accident in class. His entire test tube rack with all his chemicals fell and broke. There were chemicals all over the floor. Which would be used to clean his mess? A eye wash B safety shower C sponge D chemical spill kit

Which of the following is an advantage of minimizing pollution? A. More fossil fuels, like gasoline, can be burned. B. It will stop nonnative species from entering ecosystems. C. Fewer harmful substances enter the environment D.

To coordinate the functions of specialized cells, those cells must be able to

The scientist (scientists) who discovered that bacteria can transfer genetic information is (are)

What food is used as the base of guacamole?

Which respiratory disease is characterized by burst alveoli?

The range or area occupied by a population is called,