Which is a secondary disturbance?

O

A. Forest fire

B. Volcanic eruption

O

C. Snow melting

O

D. Tree falling

Choose all the answers and apply which of the following on ways to reduce wind erosion • plant trees • cut down trees •create windbreaks •irrigate Dry fields •remove dead leaves

Which continents contain coal fields that provide evidence for continental drift?

What ecosystem would you expect to have high species richness and low species richness

The primary function of the chromosome is to- A. store the genetic instructions needed to specify traits. B. release energy by breaking down food molecules. C. transport waste materials rapidly out of the cell. D.

Glucose is removed in the proximal convoluted tubules. therefore, glucose is not expected to be found in a normal urine sample. however, glucose is found in the urine of diabetics. why is this the case?

The part of the brain where planning, language and advanced thought occur is:the hippocampus. the amygdala. the cortex. the hypothalamus.

Which best explains the difference between a ball-and-stick model of a chemical compound and a space-filling model? Ball-and-stick models can show compounds in three dimensions, but space-filling models cannot.

Which of the following are not allowed on public land?

Prokaryotes that belong to the kingdom Eubacteria and carry out photosynthesis are called

Which law states that each planet revolves so that an imaginary line connecting it to the sun sweeps over equal areas in equal time intervals?