A. Through the direct contact of particles
Answer:
First one, third one, and fourth one
Answer:
Why is gravity so weird? No force is more familiar than gravity — it's what keeps our feet on the ground, after all. And Einstein's theory of general relativity gives a mathematical formulation for gravity, describing it as a “warping” of space.
Answer:
Night vision is when you can see in the dark or at night like owls
Explanation:
