Plz meh will give these notes were taken during a class about biological evolution, but the subject title is missing. -results from immigration -new genes brought into a population -variation in a population increaseswhat do the notes describe? gene flownatural selectiongenetic driftmutation

Describe the relationship and movement between temperature and density in a convection cell. make sure you identify the direction of travel

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

Are the layers of rock above and below the coal older or younger?