Chemical reactions inside the cell break down the food we eat into
macromolecules. What cell
function does this describe ?

Is this a scientific model? use complete sentences to explain why or why not. a graphic organizer showing the water cycle

Which best describes why nh4+ can form an ionic bond with cl-?

Which process does not require the presence of a physical substance in order to transfer heat? air in the atmosphere is heated by the ground. this warm air then rises, and cooler air falls. this is an example of what type of process? how is conduction different from radiation?