Which of the following is not a fossil fuel?
copper
petroleum
coal
natural gas
i'm stuck between a and b

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

Which statement is a physical property? becomes moldy quicklyeasy to digestconducts electricity poorlydoes not burn

Is dna the same in every cell in the human body explain your answer