Answer:
Scientists often use models of Earth to study the movement of earth and it's moon. They figure out what the distance is from the moon to the point between earth and moon where the gravitational pulls of earth and moon are equal.
The answer is (C), because, red blood cells or wbc regulate body temperature (Idr), wbc fight infections, and rbc transport nutrients
The answer is D its tightly packed cells allow for proctection against harmful substances.
Answer: B) The stars are moving farther away
Explanation: I took the test
