Question

HELP ASAP!!!
The Grand Canyon is approximately 29 kilometers long. Mariner Valley is a canyon on Mars that is approximately 212 kilometers long. About how many times longer is Mariner Valley than the Grand Canyon?

A. 2
B. 23
C. 221
D. 2108

Answer 1

i think it A or C
                       i hope it help

Answer 2

Answer:

B). 2 and the little 3 on top.

Step-by-step explanation:

i got it right