*50 points! * layer e is the deepest layer. what’s the relative age of a fossil found in layer c?
a. the fossil is the oldest of the fossils found in these layers.
b. the fossil is the youngest of the fossils found in these layers.
c. the fossil is older than fossils in layer b but younger than fossils in layer d.
d. the fossil is younger than fossils in layer b but older than fossils in layer e.
e. the fossil is older than fossils in layer b but younger than fossils in layer e.

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