Winds curve as they blow due to a) gravitational attraction. b) the rotation of the earth. c) lack of pressure difference between regions. d) being blocked by winds from the opposite direction.

not always but somethings can be reproduced in a laboratory.

carbon traps heat so more of it makes it hotter causing global warming. during the ice age carbon levels in the atmosphere were low so it got very cold. so the common things between them is carbon levels in the atmosphere.