Are deep valleys with cliffs or steep slopes along their sides.

The oldest seafloor in the atlantic ocean is located closest to the edge of the continents. explain how this age can be used to figure out when north america first began to separate from europe

What is most often given a value of zero to describe an object’s position on a straight line? displacement reference point distance ending location

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