Why does ice cream placed in a plastic cooler melt slower than ice cream placed in a metal pot? A. because metal is a better insulator than plastic

B. because plastic is a better insulator than metal

C. because metal insulates against more heat

D. because plastic conducts more heat

Aneuron is stimulated with an electric pulse. the action potential is detected at a point 3.70 cm down the axon 0.0052 s later. when the action potential is detected 7.20 cm from the point of stimulation, the time required is 0.0063 s. what is the speed of the electric pulse along the axon? (why are two measurements needed instead of only one? )

Aperson with age is more likely to catch diseases that healthy people usually don’t catch. what are these infections called?

Ecologist have observed a sharp increase of sulfur dioxide in the air . what might be a possible consequence of excessive sulfur dioxide in the air ? a. acid rain b. ozone layer depletion c. ozone layer hole d. increase in sea levels