Brent made the table shown to discribe two different relationships between animals. a b c d

Which of the following describes something an engineer would probably do first when developing new technology meant to reduce ocean pollution? o a. evaluate the benefits and challenges of using certain chemicals to purify water. o b. research new scientific findings in regard to ocean cleanup. o c. identify the need to reduce ocean pollution. o d. research what has been done in the past to clean up oceanic oil residue.

An inclined plane wrapped around a metal shaft is a a. lever b. screw c. pulley d. wedge

What is relative velocity? in which condition is relative velocity known by adding the velocity of the first body and that of the second body