Food chains show energy transfer between organisms. the size of a food chain can vary, yet there is a limit to the number of levels that a food chain can reach. why is there a limit to the number of levels that a food chain can reach? plants are not infinite in number. producers are limited by consumers. carnivores are too large to be eaten. energy is lost at each trophic level.

Acommon kind of mechanical weathering is called

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

The wind is to parities grasses because it them