Answer:
I'm not a genius but it's an invisible force that pulld object towards eachother, Earth's gravity is what keeps you on the ground and what makes things fall, Anything with mass also has gravity, objects with more mass means they have more gravity
Answer:
concave lens
Explanation:
it's concave lens because it diverges the ray/beam of light.
Answer:
a compound,typically a crystalline one,in which water molecules are chemically bound to another compound or an element
I don’t see what you need help with but thanks:)
