A polygon is a square if and only the polygon has exactly four sides true or false

Which river is the second longest river in Africa A nile river B niger river C gold river D Congo river

Two species of sea urchins adapted to live side by side on the sandy bottom of the sea floor. The two species appear to have the same diet-drift seaweeds and other bits of organic matter.

Somalia Angola India Australia which does not belong

Mode of formation of low land

What two names are given for the lines that run around the earth in an east-west direction

Is north america north or south of the equator

The Aztecs and Incas were treated by Cortes and Pizarro.

A violent thunderstorm that can produce a tornado is called a what? A) an updraft B) An mesocyclone C) An supercell D) An hurricane

Which igneous rock forms when magma inside the earth solidifies?

In which country did the Chernobyl nuclear disaster take place? Russia Ukraine Belarus Georgia