Which one of these is the most accurate in determining the absolute age of two rocks? A. Vertical position
B. the presence of unconformities
C. Radioactive dating of each layer
D. Comparing fossils in the layers

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

Were does condensation occur? a) hydroshereb) lithosherec) boishered) atmosphere

Apuppy’s tendency to chew is inherited through which of the following? a. through learned behavior b.through genes c. through seasonal cycles d. through hibernation