What of the following describes how an organism responds to external stimuli?

a. a mouse runs away from a cat that is chasing it

b. a person yawns when oxygen levels are low in the lungs

c. a person sweats when hormones increase heart rate

d. the human body reduces sweating when internal water levels are low

1.aluminum chloride (alcl3), and sodium hydroxide (naoh) can react to form aluminum hydroxide (al(oh)3) and sodium chloride (nacl).    you have 13.4 g of aluminum chloride and 10.0 g of sodium hydroxide. answer the following questions: •what is the balanced equation for this reaction? •if you use all 13.4 g of aluminum chloride, how many grams of aluminum hydroxide can be formed? work must be shown to earn credit •if you use all 10.0 g of sodium hydroxide, how many grams of aluminum hydroxide can be formed? work must be shown to earn credit •how many grams of aluminum hydroxide will actually be made?     which reagent is limiting? explain your answer.

What must happen before a body cell can begin mitotic cell division

All motion is caused by force? true or false