Explain how the three major land forms in northern california formed

How do oceanographers measure the salinity of ocean water?

How did geographic isolation affect the islands in the australasia ecozobne?

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