Why does air at 75% relative humidity and 30°c make your skin feel stickier than air at 75% relative humidity at 10°c
a) warm air rises while cold air falls
b) the warmer air contains more water vapor per unit of volume
c) the warmer air contains more water vapor per unit of volume
d) moist air has lower densitdensity than dry air does

For the strategies below, decide whether they are best described as demand-side solutions or supply-side solutions to meeting human needs for fresh water. remember that a demand-side solution reduces demand for fresh water, whereas a supply-side solution increases the supply of fresh water. (a) damming a river to create a reservoir (b) desalinating seawater (c) a nation invading a neighboring country to access their rivers (d) raising water prices for consumers and businesses (e) providing tax breaks for companies that use less water (f) replacing inefficient irrigation with more-efficient drip irrigation to grow crops (g) requiring low-flow showerheads in all new homes