Which of these scenarios will upset the stability of the local ecosystem the most?
a) a tree is cut down to be used for firewood.
b) a hiking trail is cleared through the state park in your area.
c) a person decides to build their small home in the middle of a forest.
d) a local factory clears land to build and blocks the flow of the only river in the area.

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

This is collection of data made by comparing objects in standard units. in science, the units are metric.

Is genetic diversity the same as genetic variation?