Act like large rivers in the earth’s oceans and spread earth’s heat and shape climates. a. ocean currents b. wind patterns c. temperature differences d. water cycles

Ascientist wants to determine the effect of a new type of gasoline. he fillsone car with normal gasoline and another identical car with the new gasoline.which is the control group? a. the new type of gasolineb. the car with the normal gasolinec. the car with the new gasolinethe amount of gasoline usedd. the amount of gasoline used

Which of the following is an effect of the uneven heating of the earth by the sun? a sea breeze a land breeze a convection current all of the above

Which term describes a normal value for something in the body? a.homeostasis b.set point c.feedback loop d.integration center