What does a resistor in an electrical circuit do? A. It opposes the flow of electrons.

B. It repels electrons, causing them to return to the battery.

C. It attracts electrons,
causing them to move faster.

D. It allows only a reduced number of electrons to flow through it.

Which lists the main components of darwin’s theory of evolution? a. random mutations drive evolution; the evolution of a population happens slowly; organisms have common ancestors; organisms do not change. b. natural selection drives evolution; the evolution of a population happens slowly; organisms have common ancestors; organisms change over time. c. natural selection drives evolution; the evolution of a population happens rapidly; organisms have common ancestors; organisms change over time. d. random mutations drive evolution; the evolution of a population happens rapidly; organisms have common ancestors; organisms do not change.

Acompound machine is also called a machine. a. force b. simple c. complex d. directional

Describe uniform velocity and variable velocity in short