The conditions needed for primary

succession

A. Are very rare.

B. depend on forest fires.

C. must happen before secondary succession.

What type of geological events occur at the edges of the tectonic plates?

The peripheral nervous system includes A. the cranial nerves and spinal nerves. B. all nerves and associated cells that are not part of the brain and spinal cord. C. the brain and spinal cord. D. only the brain.

How might scientists be able to use fossils to infer that the climate of the central united states was a lush subtropical forest millions of years ago?

What is a characteristic of an enzyme

Which biomes would be coldest

In water, hydrogen bonds hold together

The wall of the alveolus (air sac) in the lung is composed of which type of epithelium? hints the wall of the alveolus (air sac) in the lung is composed of which type of epithelium?

How is the rainforest in nicaragua ranked in the americas?

Which blood type is inherited by codominance?

Solar flares may be used to predict what?