Find the coordinates of a if b(-9,-10) is the midpoint of ac and c has the coordinates of (-1,9)

The tea bush grows best in east asia’s zones.a) arid and semi-arid.b) arid and tropical .c) tropical and subtropical.d) humid continental and subtropical.

What evidence does the writer give to support his argument about coral reefs? a) he speaks of the activities of coral polyps. b) he describes the composition of the great barrier reef. c) he emphasizes the ways in which coral reefs are fragile. d) he points out the ways that scientists do research on the reefs.

¿qué parte de la patagonia está en peligro de exinción por su sobrepesca?