The radioactive rock inside of the earth A) is hot
B) is caused by volcanoes
C) glows in the dark
D) is cold

List charasteristics of athenosphere

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

15 ! come and answer! a(n) is the general term for an infectious disease that has spread across a city, region, or country.