What moves across the earth and breaks down rocks

A semipermeable membrane has a 4 percent salt solution on the right side and a 12 percent salt solution on the left side. What will most likely occur?

Describe the relationship between fish and coral.

A coin is flipped three times resulting in three heads. What is the probability that a fourth flip will be heads? 75% 25% 100% 50%

Nudibranchs are marine gastropods that lack shells. many of these gastropods retain the foul-tasting poisons of their prey and secrete them when threatened. the bright coloration of the nudibranchs warns predators to avoid them.

Since no form of radiation can ever get out of a black hole, how can astronomers detect where black holes are

When you exercise, your muscle cells use oxygen to convert the energy stored in glucose into the energy stored in ATP, which they then use to drive muscle contractions. When you exercise, your muscles need more oxygen.

Which of these is required for natural selection? A.) All individuals of a population must be identical. B.) There must be a small number of individuals in a population. C.) There must be variation among the members of a population. D.

What process do cells use to make large molecules from smaller molecules?

Phosphates have been banned in most dishwashing detergents in order to protect the environment. How do phosphates in large quantities affect the environment? O A. They increase the acidity of water and cause acid rain. O B.

What are some risks of genetic engineering on humans?