Explain how gravitational, electrical, and magnetic forces act on a maglev train

Ascientist separates a population of mice into two groups. what would most likely increase the rate of speciation in this population. a. teach the two groups different tricks b. allow the two groups to breed with each other c. put the two groups in different environment d. have the two groups live in identical ecosystems

Organisms that successfully adapt will leave to grownone of the above

The smallest parts of these that retain their original properties are called