Which property of water causes ice wedging? A. It moves downhill more quickly after it freezes.
B. It decreases in volume when it freezes
C. It increases in volume when it freezes.
o a
D. It causes more abrasion when it freezes.

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

Ineed on only on number 6 this is the only question that i need on

How do you find the independent variable and dependent variable? how do you you know is which?