Define air mass. a: a large body of air. the entire air mass has the same temperature and moisture throughout. b: cooler temperature causing more molecules to be in an area and be more tightly packed. c: warmer temperatures cause less molecules to be in an area and results in less packed/more space between molecules. d: the weight of all the air molecules in the atmosphere pressing down on earth.

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

Differentiation of cells changes the nucleic information. true false

To maintain asepsis when administering an injection, all parts of the syringe can be handled except the: