You weigh two different objects on the same scale in the same location on earth. the weights are different. what must be different about the two objects?
a. moving at different speeds
b. width
c. mass
d. momentum
e. color

What is the function of the root cap? a. extra-absorbent cells in the root cap absorb more water and nutrients b. protect the meristematic area of the stem c. contains sensors for sunlight d. increases surface area of the root