Days when the sun’s light hits both hemispheres equally are called a. rotations b. revolutions c. equinoxes d. solstices

By the triangle inequality theorem, if two sides of a triangle have lengths of 3 and 7, what are all the possible lengths of the third side? a) 3 < x < 8 b) 3 < x < 7 c) 4 < x < 10 d) 5 < x < 7

What is the approximate chemical composition of the solar nebula?

In 2002, north korea announced that it was shutting down its nuclear facilities constructing a hydroelectric energy plant restarting nuclear weapon development changing to a free market economy