When the space shuttle blasts into orbit, a hot gas forms when hydrogen and oxygen join to make water. this the space shuttle to blast into orbit. the formation of this gas is an example of

1 - wave length

2 - amplitude

3 - crest

4 - trough

explanation:

duh.

i'm on my way to history not a mistory.

blue light is scattered in different directions by the tiny molecules of air. blue is scattered more than other colours because it has a shorter distance to travel which results in smaller waves. this is why we see a blue sky most of the time.