What type of cells surround the stomata

The shift of a vehicle's weight around its center of gravity is known as

Of seawater increases with decrease in the temperature. therefore, the cold water sinks to the deeper layers at the bottom

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