Type the correct answer in the box. Spell all words correctly. What is the physical evidence: an element, a compound, or a mixture?
A liquid was obtained from a crime scene and was allowed to evaporate in a dish. After it evaporated, crystals were observed at the base of the
dish
The solution obtained as physical evidence is likely to have been an)
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Compare and contrast region e in the illustration above with region d. describe the physical characteristics of each region.

Explain light independent reactions

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