10) which of the following is a tool that is used by astronomers to study radiation? a) a computer model b) a ground based telescope c) a foucault pendulum d) a calendar 11) which of the following is evidence of earth's revolution? a) the foucault pendulum b) the coriolis effect c) night and day d) constellation movement 12) which of the following forms of radiation can be shielded by earth's atmosphere? a) gamma rays b) radio waves c) visible light d) all of the above in advance for guys : )

Enzymes are proteins that speed up reactions by providing an additional energy source supplying additional molecules for the reaction removing inhibitors that slow down reactions lowering the amount of energy required

Drag each tile to the correct box. the body monitors the levels of oxygen in the blood to regulate breathing. isabel is running in a marathon and is near the finish line. she feels out of breath. how will her nervous system work to generate a reaction? arrange the tiles in chronological order. isabel's breathing rate increases. sensory receptors in the arteries detect low oxygen levels. the brain sends signals through motor neurons. sensory neurons generate an impulse. the central nervous system relays an impulse to certain brain regions.

4. if a cell is placed inside a solution that has a higher concentration of solute than on the inside of the cell, what can be said about the movement of water? a. water will move out of the cell, causing it to shrivel. b. water will move in and out of the cell at the same rate. c. water will move out of the cell, causing it to swell. d. water will move into the cell, causing it to swell.