Why does interstate 95 seem to follow the fall line?

-it was designed to go around waterfalls and rapids.
-it connects cities that were established on the fall line.
-the fall line is flat and was easy to construct a road on.
-abandoned railroad tracks share the same route.

Identify the missing parts of the carbon cycle

Darrel conducted an experiment with the following procedure: fill two cups with ice water. place an uninflated balloon snuggly onto your left index finger. blow a little air into an identical balloon, and place it onto your right index finger. place both fingers into the cups of ice water. darrel noticed that his right finger felt warmer in the ice water than did his left finger. which of the following does the experiment show? a. air is a good radiator of heat. b. air is a good insulator of heat. c. air is a good conductor of heat. d. air is a good convector of heat.

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks