3 Calculate the percentage decrease in the mean metabolic rate of males between
5 years and 45 years of age.
Use the equation:
percentage decrease=
decrease in metabolic rate
x 100
original metabolic rate
Give your answer to 3 significant figures.

Which description provides the best objective summary of the article in the passage?

The blue particles in this image are able to cross the cell membrane through simple diffusion. how will they be transported? outside the cell inside the cell o a. the substances will move directly across the membrane from outside the cell to inside the cell. b. the substances will move through channels in the membrane proteins from outside the cell to inside the cell. o c. the substances will move through channels in the membrane proteins from inside the cell to outside the cell. o d. the substances will move directly across the membrane from inside the cell to outside the cell.

Match each description of an object’s motion with the position-time graph that represents it. not moving moving with constant speed speeding up slowing down