What are liquid crude oil and petroleum made from? a. small marine organisms b. small land-based organisms c. compressed rock and sediment d. decomposing inorganic matter

How did the miller-urey experiment impact the way scientists think about the origins of life? use what you know about the miller-urey experiments to discuss the factors needed for life to arise, and speculate on whether life could arise on another planet.

In this case, the statement that people who exercise for an hour may have lower cholesterol levels is .

Which blood cell spend most of their time in the lymphatic system?