If the total global production of grains cannot be significantly increased in the next 50 years, and the human population continues to increase by perhaps 50%, how will we feed the people without destroying the world? One strategy that would likely
succeed is to A) increase our use of fossil fuels in agriculture.
B) engineer plants that can grow without sunlight.
C) greatly reduce the amount of meat in our diets.
D) increasingly rely on fungi for nutritional needs.
C
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To say that an object is electrically polarized is to say
A. its internal electric field is zero. B. it is electrically charged. C. its charges have been rearranged. D. it is only partially conducting.
Ecologists study interactions within and among which five levels of organization?
a. cell, organism, atom, ecosystem, and molecule b. atom, molecule, cell, organism, and population c. molecule, cell, atom, community, and biosphere d. organism, population, community, ecosystem, and biosphere e. atom, organism, cell, biosphere, and population
ArcGIS offers the following three methods for defining a coordinate system: select, import, or create a coordinate system. Explain the difference between select and import a coordinate system.
What will be an ideal response?
The political conflict on Fiji is between the native Fijians and:
A) people of South Asian ancestry B) Maoris C) people of European ancestry D) Polynesians E) people of Chinese ancestry