PLEASE HELP!! BIOLOGY! If You DON'T Know Then DON'T Answer! The main difference between macroevolution and microevolution is .

Select one:
a. the time frame of the evolutionary process
b. the species that evolve during each
c. that microevolution is only for small organisms, and macroevolution is for large organisms

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