QUESTION 2 A popular classroom demonstration involves placing a paper cup with water in it on a burner, and boiling the water in the cup. Although part
of the cup may burn, the part containing the water does not because
ОА.
paper is a poor conductor of heat
ОВ.
it all happens too quickly for the paper to burn
OC. the water absorbs most of the heat from the flame
OD. the evolving steam burns the paper on the cup above the water line

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.

How do we measure or think of speed in the united states?

The electric potential a distance r from a small charge is proportional to what power of the distance from the charge? a. r^-1 b. r c. r^-2 d. r^2