The number of tie downs you need depends on the length and weight of the cargo you are transporting. Federal Motor Carrier Safety Administration (FMCSA) rules state: Use one tie-down if your cargo: Is shorter than 5 feet and weighs less than 1,100 pounds.
I believe the awncer is B
During Hadean time, the solar system was forming within a cloud of dust and gas known as the solar nebula, which eventually spawned asteroids, comets, moons and planets. Astrogeophysicists theorize that about 4.52 billion years ago the proto-Earth collided with a Mars-size planetoid named Theia.
