Which of the following is not something that the atmosphere does for us?
the atmosphere gives us air to breathe.
the atmosphere provides us protection.
the atmosphere gives us gravity.
the atmosphere provides us with weather.

What’s #16 asking and how do i solve it?

The movement of electrons between atoms is called an

During a medieval siege of a castle, the attacking army uses a trebuchet to hurl heavy stones at the castle walls. if the trebuchet launches the stones with a velocity of at an angle of 50.0°, (a) how long does it take the stone to hit the ground? (b) what is the maximum distance that the trebuchet can be from the castle wall to be in range? (c) how high will the stones go? show all your work.