What characteristic is necessary for the uranium in a nuclear reactor?

An inclined plane wrapped around a metal shaft is a a. lever b. screw c. pulley d. wedge

The material that keeps its new shape after it is stretched is called?

What effects result when there is an impact between earth and an asteroid? check all that apply. a.massive flooding. b.extinction of many life forms.c.major earthquakes change in average global temperature.d. giant dust cloud