I'm doing an acrostic poem about river processes for Geography and I can't think what to put next, I need a sentence starting with O and S.

What might farmers start growing due to dire economic circumstances? 1.) Soybeans 2.) Poppies 3.) Rice 4.) Wheat

Can someone tell me what areas of the world have acid rain and why?

Which of the five themes of geography would you be looking for if you asked someone to describe an area to you, particularly what makes it different than other areas? A) location B) movement C) place D) region

What is the main reason Mercury is hotter than the Moon?

Name three countries you labeled that do not border the sea.

Compare the air pressure at the peak of Mt. Everest to the air pressure at sea level.

An elongated hill that is composed of unsorted sediments deposited by a glacier is called (1) a delta (2) a drumlin (3) a sand dune (4) an outwash plain

What do you call the climatic zone located between the tropical and arctic climate zones?

Is argentina in the northern or southern hemisphere?

How does earths revolution affect our view of stars and constellations in the night sky?