When plants, animals, people, the climate, the water and the soil all depend on each other, this is called... What?

Witch of the following types of boundaries is most likely to result in a subduction zone

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

Abird flies at a speed of 75 metres per second for 15 seconds, how far does the bird fly