The mathematical expression 9 & t means:
o9 union t
o 9 intersection t
9 is an element of t
9 is not an element of t

What is a small water source like a stream or brook?

What did the pattern of earthquakes in the wadati-benioff seafloor zones show scientists? a.) earthquakes occur where the ocean floor reaches its highest temperatures. b.) many earthquakes take place 700 kilometers below the seafloor. c.) slabs of ocean floor return to the mantle in subduction zones. d.) ocean - trenches cause earthquakes.

Which topic would a meteorologist most likely research? -meteors in space -marine ecosystems -atmospheric conditions -the runoff of stream systems