Which of the following was confirmation that Wegener's hypothesis was correct?

A. Magma in the asthenosphere

B. Seafloor spreading

C. Mountain belts on different continents match up

How are motors and generators different?

The loudness of a sound is inversely proportional to the square of your distance from the source of the sound.

Which instrument do you think can produce more changes in pitch? Support your answer. This is for Trumpet and Bugle

Tempo is the frequency of a sound and it relates to the highness or lowness of a tone that we hear. True or False.

Why are force fields used to describe magnetic force?

Why is copper a pure substance

Over the course of a martian year, what are the ranges of the rms speeds of the co2 molecules.

Why is it important that all scientists use the metric system?.

Whay is moon non-lominous body

How many (whole number of) 91 kg people can safely occupy an elevator that can hold a maximum mass of exactly 1 metric ton? A metric ton is 1.000 * 103 kg. Answer in units of people.