If a person with a mass of 70 kg is standing on top of a cliff that is
30 meters high, how much gravitational potential energy does the person
have, relative to the top of the cliff?
a. 0 j
b. 30 j
c. 2,100 j
d. 20,580 j

Plz fast biotechnology is a growing field of applied biology. many crops such as corn have been engineered to be resistant to herbicides. therefore farmers can spray these chemicals to kill weeds growing near the crop without worries of killing the crop itself how does this type of biotechnology work? a. by changing the genetic make up of the crops. b. by causing the crops to kill the weeds. c. by changing the type of crops used. d. by changing the location of the crops.

Which is the function of the hypothalamus in thermoregulation? answers: -sensor -effector -stimulus -intergrating center it's either a or c i believe

Drag the tiles to the correct boxes to complete the pairs. match each cell organelle with its description.