Which of the following statements is correct about the force of gravity between two objects? (a)it depends on the shape of the objects. (b) it is weaker when the objects are closer. (c) it depends on the temperature of the objects. (d) it is stronger when the objects are closer.

Do you agree with scientist’s prediction about the warming of alaska and other polar regions?

Discuss how the hardness or softness of the landing surface is related to the time required to stop the egg

Why is rain likely when warm, moisture-laden air meets cold air? a) the lighter warm air will rise and cool down, causing condensation and rain. b) the cold air moves faster and pushes the warm air away, causing condensation and rain. c) the moisture in the warm air condenses on contact with the cold air, causing rain to fall. d) the cold air mixes with the warm air, reducing its temperature causing moisture to condense.