How do most craters on moons form?
A. by tectonic activity
B. impact of asteroids
C. running water
D. by volcanic activity
E. earthquakes
Ans: B. impact of asteroids
You might also like to view...
A flatbed truck carries a load of steel. Only friction keeps the steel from sliding on the bed of the truck
The driver finds that the minimum distance in which he can stop from a speed of 20.0 mi/h without having the steel slide forward into the truck cab is 20.0 m. What would his minimum stopping distance be when going down a 10.0° incline?
Star cluster NGC 4755, also known as the Jewel Box, is located in the constellation _____
A) Aquila B) Tucana C) Crux D) Pictor
In the proton-proton chain
a. no neutrinos are produced. b. energy is released because a helium nucleus has a greater mass than a hydrogen nucleus. c. no photons are produced. d. carbon serves as a catalyst for the nuclear reaction. e. energy is produced in the form of gamma rays and the velocity of the created nuclei.
The rate at which air temperature changes with altitude is called
a. the inversion rate. b. vertical development. c. the lapse rate. d. an isotherm.