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
Which of the following is NOT true in California's drought crisis?
A) Water resource locations do not match water demand locations. B) Eighty percent of the water distributed in California goes to cities. C) California produces one-third of U.S. vegetables and two-thirds of fruits and nuts. D) The average American consumes 40 gallons of water per day. E) California's water sources are both surface and groundwater.
Ecologists have learned that succession is influenced by many factors other than climate alone including
A. invasive species, human land use history, and seed dispersal. B. biogeochemical cycles, available oxygen, and superfund sites. C. slope, wind patterns, and toxicity levels. D. the evolution of new species.
If you were standing at the hospital, could you see the lake? Explain.
What will be an ideal response?