While digging into the ground you find a rock that appears to have formed in the spaces between existing rocks what type of rock could it be

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

20 how are energy cycles and growth cycles related?

Injuries in the environment are a result of