Which one of the following has not been proposed as a mechanism of plate motion

a) slab-pull
b) ridge-push
c) mantle convection
d) crust-core convection

it's a science question i accidentally pressed history

Which statement tells an advantage george washington had in his first term as the first president of the united states?

Considering the benefits and drawbacks of the different types of money as well as the gold standard, do you agree or disagree with the us government’s decision to discontinue the gold standard? justify your response.

Match each characteristic with the correct leader. allied his country with germany and italy responsible for ukrainian great famine chancellor of germany leader of the blackshir