You live in Arizona and remove a stretch of tamarisk trees on your property. Which of the following should you do to best increase the chances of keeping the tree at bay?
a. Plant native species in their place.
b. Turn the soil monthly for one year.
c. Douse the area with herbicides.
d. Burn the area annually for the next three years.
Answer: a. Plant native species in their place.
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The speed of light is slower in water than in air
a. true b. false
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