Which of the following placements for citrus crops will be most likely to avoid frost damage? A: North-facing high foothill
B: North-facing valley bottom
C: South-facing high foothill
D: South-facing hilltop

What is the main function of the central vacuole in a plant cell? a. absorbs energy from the sun to produce food b. holds water and maintains turgor pressure c. breaks down molecules to release energy d. contains the cell's genetic material