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When developing environmental policies, elected officials and environmental activists often consult scientists to assess problems and verify the results of solutions. Which actions are part of environmental science as well as environmental activism?
the presence of soil and organic matter in the first stage
an increase in C02 in Earth's atmosphere
the birth rate is greater than the death rate
observing, collecting data, and controlling variables
combustion
emergence of disease resistance
It provided a reliable supply of water for drinking and agricultural irrigation.
Research on the development of renewable resources would likely increase.
Which is a way in which the Central Arizona Project, which diverts water from the Colorado River, could have contributed to population growth in southern Arizona?
the presence of soil and organic matter in the first stage
an increase in C02 in Earth's atmosphere
the birth rate is greater than the death rate
observing, collecting data, and controlling variables
combustion
emergence of disease resistance
It provided a reliable supply of water for drinking and agricultural irrigation.
Research on the development of renewable resources would likely increase.
All populations fluctuate in size. Which of the following is a non environmental factor that might cause a population to be reduced in size?
the presence of soil and organic matter in the first stage
an increase in C02 in Earth's atmosphere
the birth rate is greater than the death rate
observing, collecting data, and controlling variables
combustion
emergence of disease resistance
It provided a reliable supply of water for drinking and agricultural irrigation.
Research on the development of renewable resources would likely increase.
By what process is the carbon in fossil fuels released into the atmosphere?
the presence of soil and organic matter in the first stage
an increase in C02 in Earth's atmosphere
the birth rate is greater than the death rate
observing, collecting data, and controlling variables
combustion
emergence of disease resistance
It provided a reliable supply of water for drinking and agricultural irrigation.
Research on the development of renewable resources would likely increase.
A biologist compares how different ecosystems undergo succession. Which feature might be used to distinguish secondary succession from primary succession?
the presence of soil and organic matter in the first stage
an increase in C02 in Earth's atmosphere
the birth rate is greater than the death rate
observing, collecting data, and controlling variables
combustion
emergence of disease resistance
It provided a reliable supply of water for drinking and agricultural irrigation.
Research on the development of renewable resources would likely increase.
When supplies of a product decrease, the price of the product tends to increase. How might continuing increases in the price of fossil fules affect research on the development of renewable resources, such as wind power and solar energy?
the presence of soil and organic matter in the first stage
an increase in C02 in Earth's atmosphere
the birth rate is greater than the death rate
observing, collecting data, and controlling variables
combustion
emergence of disease resistance
It provided a reliable supply of water for drinking and agricultural irrigation.
Research on the development of renewable resources would likely increase.
Researchers have found that a local squirrel population fluctuates from year to year, increasing one year and decreasing the next. Which of the following factors would cause the squirrel population to grow?
the presence of soil and organic matter in the first stage
an increase in C02 in Earth's atmosphere
the birth rate is greater than the death rate
observing, collecting data, and controlling variables
combustion
emergence of disease resistance
It provided a reliable supply of water for drinking and agricultural irrigation.
Research on the development of renewable resources would likely increase.
Acid rain form when air pollution combines with moisture in the atmosphere and falls to Earth as precipitation that has a low pH. Which of the following effects cannot be attributed to acid rain?
the presence of soil and organic matter in the first stage
an increase in C02 in Earth's atmosphere
the birth rate is greater than the death rate
observing, collecting data, and controlling variables
combustion
emergence of disease resistance
It provided a reliable supply of water for drinking and agricultural irrigation.
Research on the development of renewable resources would likely increase.
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