If a person wanted to engineer a new type of communication device, what field of study would be the most useful? A ) electrical engineering
B ) chemical engineering
C ) optical engineering
D ) mechanical engineering

answer; equivalent to a one(1) horsepower motor;

igneous rocks also form where plates converge. the subducting plate melts as it sinks into the crust of the earth, and the melt rises into the overriding plate forming volcanoes. metamorphic rocks are formed mainly in the lithosphere, wherever there is high pressure and high temperature. -woods

pythagoras' theorem

square root (-5^2+9^2)

square root (25+81)

square root (106)

angle is tan^-1(9/5)

neg x, pos y