How could you test the rate of weathering in your area by observing local gravestones?
What will be an ideal response?
gravestones?
Measure loss of material on old gravestones. (Know time elapsed from epitaph, estimate original depth of engraving from new gravestones)
Identify areas of erosion or deposition in the yard.
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Which of the following is an example of natural goods from an ecosystem?
A) Pollination B) Ocean fish netted for food C) Control of pest populations D) Carbon sequestration
Which bond would you expect to find in halite (NaCl)?
a. valence electron bonds b. covalent bonds c. metallic bonds d. hybrid bonds e. ionic bonds
Water is generally a good solvent for which of the following types of compounds?
A) nonpolar compounds B) polar compounds C) both a and b D) neither a nor b
Primary Consumers
What will be an ideal response?