Which type of plate boundary occurs where two plates move apart, resulting in upwelling and partial melting of hot material from the mantle?

Equilateral triangle pbj is inscribed in a circle as shown. determine the measure of arc pjb.

Which of the following is true of all geographic locations on earth?

Which outcome is not caused by gravitational forcea. gas and dust come together to form a planet b. planets orbit a star c. two atoms come together to form a molecule d. stars cluster to form a galaxy