I'm 1989, the Exxon valdez spilled nearly 42,000,000 liters of oil into Prince William Sound, Alaska. How would the spill be classified?

A. Abiotic environment

B. Biotic environment

C. Genetic

D. Pathogenic

Which one of the following statements about the troposphere is true? Select one: a. The troposphere is the atmospheric layer farthest from the earth's surface. b. The tropospheric gases move because of convection currents. c.

During which phase change does water release the most heat energy

Are considered the ancestors to birds

As a result of urban sprawl, displaced wildlife often end up venturing into populated areas in search of food. True False

What is the function of mitosis in an organism such as a human? cite source (s) used (2 pts) ?

Which of the following is an enzyme? lactose adenosine protease phosphate

A biologist is studying the possible role of earthworms on the fertility of farm soils. As part of this research, the number of earthworms per acre of farmland is being estimated.

How do cells differentiate from each other? What sends a cell the message to become one kind of cell rather than another type?

7. Both slicing an apple and a chemical change such as cooking an egg cannot be reversed. However, why is slicing an apple still considered only a physical change?

A sonic boom is produced by a jet. What can you determine about the jet's motion? a) It is near a mountain where echos can be produced b) Its engines produced backfire c) It is increasing in altitude d) It is traveling faster than the speed of