How do spines help a cactus survive? A:They protect the plant from being eaten by animals.
B:They anchor the plant to the ground.
C:They hold the plant upright and help it take in sunlight.
D:They take in sunlight and carry out photosynthesis.

Modern weaponry has increased the number of deaths in wars and violent conflicts.

If the concentration of phosphate in the cytosol is 2.0 mm and the concentration of phosphate in the surrounding fluid is 0.1 mm, how could the cell increase the concentration of phosphate in the cytosol? a) passive transportb) diffusionc) active transportd) osmosise) facilitated diffusion

What prefix multiplier is appropriate for reporting a measurement of 5.57 ×10−5 m?