The kinetic or potential energy associated with the motion and position of an object is nuclear energy. b. thermal energy. c. gravitational potential energy. d. mechanical energy. Please select the best answer from the choices provided

Air pollution is only caused by human activity, select the best answer from the choices provided ot of true or false

Which statements explains what the fossil records indicates? check all that apply. a) earth is 4.5 billion years old b) many organisms have become extinct c) mammals have always existed on earth d) mass extinctions have occurred several times on earth e) the amount of water on earth has decreased over time?

The effect of a hormone on a target cell may be decreased by the presence of