The respiratory system is responsible for:? transporting materials (e. g., nutrients and oxygen) throughout the body.

breaking down large food into molecules that can be used by the cells of the body.

obtaining oxygen and releasing carbon dioxide.

producing movement of body parts.

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

Aboy with an extra x chromosome probably has which of the following syndromes?

Which would happen if more forests were cut down? a. the nitrogen cycle would be stopped b. nitrogen would be fixed by bacteria more quickly c. the amount of co2 in the atmosphere would increase d. fossil fuels would build up in the soil c the amount of co2 in the atmosphere would increase