Ddt is an insecticide that was used extensively in the mid-1900s to kill mosquitoes.

What types of energy transfers and energy transportations are involved in the domino chain reaction?

For a comparative or experimental investigation, scientists often make a testable about a scientific question, and then they test it in the investigation. a. control b. hypothesis c. procedure d. system

Both destructive and constructive, the natural event seen here, is important in destroying and creating landforms on earth. what is this event called? a) deposition b) flooding c) landslide d) sedimentation