Density in the ocean is primarily determined by:

Colder water:

Saltier water:

What type of cells divide during mitosis?

Insulin is a molecule, produced by the endocrine system, which regulates sugar concentration in the blood. Most likely, insulin is a

This can contribute to desert formation: A. Farming B. Fossil Fuels C. Deforestation I know that B. is wrong but a or c is correct

What is one effect of immigration on a population living in an ecosystem? A) the competition for resources will increase. B) more animals will leave the ecosystem. C) biodiversity will decrease. D) the population will decrease.

The flesh-eating bacteria, vibrio vulnificus, destroys healthy tissue. infectious agents such as this are best classified as what kind of environmental factor?

How is the role of the nucleus in a cell similar to the role of a captain on a sports team

As a muscle I am responsible for regulating leaving teh body

What is the main principle behind the law of conservation of matter? A Mass does not change phase during a reaction. b The total mass does not change during a reaction. c Heat is added during a reaction for the mass to remain constant.

Why is it important to avoid applying too much nitrogen fertilizer? A. Too much nitrogen can buffer cells from extremes in pH. B. Too much nitrogen can increase the salinity of soil. C. Too much nitrogen in surface runoff can cause algae to overgrow.

A plant's water supply is now deeper in the ground. By which process do the roots grow longer to reach the water?