What is the density of 100g of sodium? Please answer for GRAMS not KILOGRAMS. (I already know that sodium = 8.9g/cm3)

Around faucet handle is part of a(n) a. lever b. screw c. inclined plane d. wheel and axle

What’s #16 asking me and how do i solve it?

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.