The fresh newly created surfaces of icy satellites of Jovian planets
a. appear dark in color with few impact craters.
b. appear dark in color with many impact craters.
c. appear very bright because fresh ice is very reflective.
d. generally show long bright grooves and a modest number of impact craters.
e. generally have small volcanoes that are active.
Question 2
The high ___________________ _ of quasars reveals to astronomers that they must be very distant.
Fill in the blank(s) with correct word