Which of the following impacts occurs during surface mining for minerals like copper?
a. None of these choices
b. Increased likelihood for fires.
c. Increased aeration of the soil.
d. Desalination of the soil.
e. Contamination of nearby waterways.
e
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Explain and relate the two geological features shown in the figure above employing the principle of catastro-phism as was the common belief prior to the writings of Charles Lyell
What will be an ideal response?
Which algae are the most probable ancestors of land plants?
a. charophytes b. chlorophytes c. chrysophytes d. gametophytes e. phaeophytes
A new predator is introduced to an area that can feed on any millipedes shorter than 200 millimeters. No millipedes that live in that area are longer than 15 millimeters. What will happen?
A) Disruptive selection will favor 15-millimeter-long millipedes. B) Millipedes will necessarily evolve to avoid the predator. C) All millipedes will be potential prey. D) Directional selection will favor predators that consume the smallest millipedes. E) The millipedes will necessarily mutate to be longer.
Large mammals and birds require ________ acres of continuous suitable habitat for food and territory
A) 2 B) dozens of C) 4 D) hundreds of E) millions of