Figure 11.8
What is trawl fishing? What types of fish does it target? Which letter depicts it on the accompanying figure?

What will be an ideal response?


Trawl fishing catches fishes and shellfish-especially cod, flounder, shrimp, and scallops-that live on or near the ocean floor. It's depicted by letter B on the figure.

Environmental & Atmospheric Sciences

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A hydrograph is a graph of a water body's discharge, velocity, stage, or other characteristic plotted

against which of the following things? a. distance b. elevation above sea level c. cost in dollars d. human population e. time

Environmental & Atmospheric Sciences

If a glass manufacturer has only a few ________________ of reducing pollutants, it will ____________________ .

A. costly ways; end up paying the pollution tax. B. inexpensive ways; incur the pollution tax instead. C. costly ways; do so to minimize its pollution taxes. D. inexpensive ways; buy the most expensive technology.

Environmental & Atmospheric Sciences

Which of the following is the most abundant gas emitted from volcanoes?

A. carbon dioxide B. water vapour C. nitrogen D. sulfur dioxide

Environmental & Atmospheric Sciences

Among plants, a condition that results in an increase in the number of sets of chromosomes, is called

A. multi-genetics. B. haploid. C. polyploidy. D. diploid.

Environmental & Atmospheric Sciences