Why are there some questions in life that I just can’t answer

The european union was formally established in

Explain how earths tilt and revolution around the sun affects weather and climate

Which events occurred during the space race? check all that apply. (a) nasa was established. (b) yuri gagarin orbited earth. (c) the soviet union launched salyut. (d) the united states launched skylab. (e) the united states launched explorer 1.