Why do you think the clouds and water vapor act like " insulators " from the sun?

What was the focus of the stanford study-pls

Why did poland, hungary, and east germany join the warsaw pact? a)their people voted to join in free elections. b)their efforts to join nato failed. c)they wanted to stop the spread of communism in europe. d)they were soviet satellites that had little choice.

How is the man caricatured to show that he is a responsible citizen