Which colourful astral phenomenon is visible during the fall?

Describe the four major spheres of the earth system; identify the parts of the earth they each represent. explain what is meant by the "earth system."

Which force of change to earth is caused by the movement of tectonic plates? a.erosion b.pollution c.earthquake d.wind i need and it’s 35 points so can someone plz me

Rectangle qrst is shown. angle qrt is congruent to angle str, and angle str is complementary to angle qtr. which statement is true about angles qrt and qtr? they are congruent. they are complementary. they are supplementary. they are right angle