Which layer at Site 2 is the oldest? A. Layer Z
B. Layer V
C. Layer W
D. Layer A

Ecosystems involve living organisms interacting with non-living things in a productive way; how is photosynthesis an example of this? answer, i will give brainiest to first person to get it right.

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

Which of the following are not included as modern mammals that evolved during the eocene epoch? primates artiodactyls perissodactyls none of the above