Answer:
D
Explanation:
I think it is D. Think about it- if a human jumps, they are less than the gravitational force. But, if you are greater than the gravitational force, I think you will go into space.
Answer:
moving i think! Hope this helps
Explanation:
Answer:
it is a weak acid
acid
Explanation:
formaldehyde is a weak acid (pK greater than 13),
Answer:
Gravity
because the earth which pulls any object towards it center and the velocity is achieved
