Question

you are on the paragraph comprehension section. time remaining: 23:12 q: the process of osmosis is the net movement of water molecules across a selectively permeable membrane from a region of higher water concentration to a region of lower water concentration. this passive process is vital for many biological functions, including how plants absorb water from the soil and how our kidneys filter blood. osmosis describes the movement of: a. salt b. water across a membrane c. energy d. blood cells

Explanation:

The paragraph clearly states that osmosis is the net movement of water molecules across a selectively permeable membrane.

Answer:

B. Water across a membrane