Wendy makes a graphic organizer to herself apply ohm’s law to electric circuits. which formulas belong in the regions marked x and y? a) x: i = i1 + i2 + i3 y: req = r1 + r2 + r3 b) x: req = r1 + r2 + r3 y: i = v/ req c) x: i = i1 = i2 = i3 y: v = v1 + v2 + v3 d) x: i = v/ req y: v = v1 = v2 = v3

Which lists the main components of darwin’s theory of evolution? a. random mutations drive evolution; the evolution of a population happens slowly; organisms have common ancestors; organisms do not change. b. natural selection drives evolution; the evolution of a population happens slowly; organisms have common ancestors; organisms change over time. c. natural selection drives evolution; the evolution of a population happens rapidly; organisms have common ancestors; organisms change over time. d. random mutations drive evolution; the evolution of a population happens rapidly; organisms have common ancestors; organisms do not change.

Balloon a has charge q, and identical mass balloon b has charge 10q. you hang them from threads near each other. choose all of the statements with which you agree. check all that apply. a. a and b exert the same magnitude forces on each other. b. the force that a exerts on b is 10 times the force that b exerts on a. c. the angle between the thread supporting a and the vertical is < the angle between the thread supporting b and the vertical. d. the force that a exerts on b is 1/10 the force that b exerts on a.

If you put a helium-filled balloon in the refrigerator, what will happen?