Which of these energy rescources has the fewest negative effects on the planet?

A: solar energy

B: nuclear energy

C: hydroelectric energy

D: petroleum

In North America, the Upper Missouri River was dammed mainly to provide for cities downstrearr like St. Louis, A Scenery B, Food control C Boundary matters D, Canals

Serious environserious environmental pollutionmental pollution

What was the name for the area Northwest of Lake Superior, between the Hudson Bay and Yukon

When antonio goes to summer school next month, he takes math and english. choose the answer that is the most effective substitute for the underlined part of the sentence. if no substitute is necessary, choose 'leave as is.' a) leave as is.

Which water source is least useful to humans for drinking purposes?

What landforms are created at convergent boundaries?

In which direction does the Sun appear to move across the sky? Ofrom west to east from east to west from north to south from south to north

What is a planetary nebula neither a planet nor a nebula?

Which of the systems below is not true about atmospheric circulation patterns

What will happen when the stars go out