Mariculture, or aquaculture, has about the same relationship to commercial fishing as farming does to hunting.
Answer the following statement true (T) or false (F)
True
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The acceleration of a scooter that maintains a constant velocity of 15 m/s for 10 s is
A. 0.15 m/s2 B. 0 m/s2 C. 15 m/s2 D. 1.5 m/s2
Why are harmful algal blooms, or HABs, so dangerous?
A) They block light from reaching other photosynthesizers. B) They can produce potent toxins. C) They clog fish gills. D) They absorb sunlight, raising the water temperature.
What are the criteria used by geologists to give a semiquantitative measure of the size of an eruption?
A)number of deaths caused by the eruption and the number of buildings destroyed B)volume of material erupted and height of the eruption plume C)size of the pre-erupted volcano and the type D)temperature and pressure during eruption E)sizes of pyroclastic materials ejected and the distances they travel from the volcano
In a rural hilly neighborhood, a landowner uses bulldozers to clear all but the largest trees and cleans up a nearby stream, lining the bottom of the stream with decorative rocks and stepping-stones
Planting lawn grasses around the base of the trees, the owner wants to create a park-like setting around his home. We expect that in this ecological simplification of the cleared yard, there will be A) more species of invertebrates in the stream and on the land but fewer species of vertebrates and plants everywhere. B) more mammal and plant species but fewer birds and invertebrates on the land and in the stream. C) fewer species of vertebrates and plants everywhere but more invertebrates in the stream. D) fewer species of plants, invertebrates, and vertebrates everywhere.