The answer would be “D,” as gravity is the force that keep all objects on Earth’s surface.
Well C or A would work because both are polite so yeah
E Coli bacterium are about 2.0 micrometers in length and .25 to 1 micrometer in diameter. In comparison, a red blood cell is about 6 to 8 micrometers in diameter and a thickness that ranges from .8 to 1 micrometer in the center to 2 to 2.5 micrometers at the thickest point.
Answer:
The gravitational pull of the moon as it orbits earth
