Summer is correct. Hope this helps! ;)
According to me....in nature...it would be chemical evolution that brings life on Earth ...that would be the most important one ! I guess !!!
During the storm cold air and warm air combine in a set pattern: the cold air drops as the warm air rises. The warm air eventually twists into a spiral and forms the funnel cloud that we all associate with a tornado.
Answer:
5, 4, 3