Could someone me with this one simple science question real quick? i chose answer d) but i'm not 100% attached)

Which geologic feature would most likely be represented by contour lines john far apart from one another? a cliff a hill a plain a valley

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