In parts of Central Asia. Using water sources for irrigation purposes has caused
A. floods
B. droughts
C. corrosion
D. desertification

Chlorophyll is found in plant leaves and absorbs light from the sun to enable plants to perform photosynthesis. magnesium is an important component of chlorophyll. the concentration of magnesium ions is higher in the root-hair cells of plants than in the soil. which mechanism of ion uptake would best enable a plant to produce a steady supply of chlorophyll? osmosis diffusion passive transport active transport

Aflashlight battery is an example of a) potential energy b) kinetic energy c) thermal energy d) solar energy

Sea stars, sea urchins, sand dollars, and brittle stars are all memeber of a group, what is the common name of the group they are all in