Oxygen diffuses from the to the where it enters red blood cells. A. Plasma membrane, Alveolus B. Artery, plasma membrane
C. Capillary, Artery
D. Alveolus, capillary

Analyze the central conflict and its in a story to discover the theme. o resolution o protagonist antagonist character

Plz will mark! the diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

What are two examples of conduction that we use everyday