QUESTION 1 - What mineral was used to make sharp tools?
QUESTION 2 -Where we minerals found?

What effect does a decrease in temperature have on the overall rate of a chemical reaction? a decrease in temperature decreases . the reaction rate will

The diagrams show objects’ gravitational pull toward each other. which statement describes the relationship between diagram x and y? gravity attracts only larger objects toward one another. gravity attracts larger objects only if they are close to one another. if the masses of the objects increase, then the force between them also increases. if distance between the objects increases, then the amount of force also increases.

How will the volume of a gas be affected if the pressure is tripled, but the temperature remains the same?