Multiple Choice: Please select the best answer and UICK Which of the following items was Darwin able to use to study the structures of
extinct organisms?
A. Fossils
O B. Species
O C. Amino acids
O D. Adaptations

What is point source pollution of an aquatic ecosystem? a) pollution of freshwater sources b) pollution from many sources that combine into one c) pollution that occurs over a wide area; water that runs off from fields, parking lots, and other land surfaces d) pollution that can easily be identified with a single discharge source, such as an open pipe which drains into a body of water

What methods do scientists use to predict volcanic eruptions? select all that apply

Which of these is evidence of global warming? a. overall rising seal levels b. falling global temperatures c. an increase in the size of glaciers d. stable precipitation patterns appex