Which of these clues helps you understand what "base" means? A. tube slide.

B. a 25-story building.

C. the ground level.

D. an elevator.​

C. the ground level

Explanation:

The base of any object is the side that touches the ground.

ich statement best shows a problem in travels with charley?

one sharp difficulty presented itself. in the intervening twenty-five years my name had become reasonably well known.

this being so, my trip demanded that i leave my name and my identity at home.

i had to go alone and i had to be self-contained, a kind of casual turtle carrying his house on his back.

with all this in mind i wrote to the head office of a great corporation which manufactures trucks.