Which of the following best sequences the functions of the digestive system from start to finish?
a. ingestion, absorption, digestion, elimination
b. absorption, ingestion, digestion, elimination
c. elimination, absorption, ingestion, digestion
d. ingestion, digestion, absorption, elimination

Which locations on the map are low-pressure areas? a b c d e

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.

18. over time, how do sand dunes tend to migrate? a. perpendicular to the movement of the wind b. in the same direction as the wind blows c. toward the wind d. in random directions