A
Discharge from a sewage point treatment is an example of what kind of water pollution?
Point-Source
Doubling time can be approximated mathematically by...
using the rule of 70:
70 / (% growth rate) = time to double population
A region experiences rapid groundwater withdrawal faster than recharge. Identify at least ONE likely environmental consequence.
Lowering of the water table
Land subsidence (sinking ground)
Reduced stream or wetland flow
Saltwater intrusion in coastal aquifers
How are fossil fuels formed?
Fossil fuels are derived from biological material that became fossilized million of years ago.
Which Biome has the Greatest Biodiversity?
Tropical Rainforest
Excess nutrients from human activities that make their way into waterbodies that causes nutrient pollution that alters food webs and harms water quality is known as what?
Eutrophication
An estimate of the average number of children that each woman in a population will bear throughout her childbearing years.
Total Fertility Rate (TFR)
An area below the ocean where tectonic plates move away from each other is knows as:
Divergent Boundary
The Largest source of energy for electricity in the United States is
was recently coal, but is now natural gas
Which Biome is characterized by permafrost?
Tundra
Pollution that occurs when humans cause a substantial change in the temperature of a water body.
Thermal Pollution
The J-shaped population curve is a classic representation of?
Exponential growth
A farmer removes vegetation from a hillside before planting crops. Predict how this may affect erosion and runoff during heavy rainfall.
Removing vegetation increases soil erosion because roots no longer hold soil in place. Runoff increases because less water infiltrates into the ground, which can lead to flooding and sediment pollution in waterways.
Travelling alone in a car uses 3.6 megajoules (MJ) of energy per kilometer. If four people go on a trip of 400 miles, how many MJS are used per person? (1.609 kilometers=1 mile)
Approximately 580 MJ
Which cycle does not have a major atmospheric component?
Phosphorous Cycle
The increase in chemical interaction in animal tissues as the chemical moves up the food chain.
Biomagnification
What is an indicator that TFR is influenced by?
Social and Cultural factors such as marriage, opportunities for education and work available to women
How far will a plate travel in 60,000 years if it moves at a net rate of 25 mm/year?
1,500 m
Which Fossil Fuel is mainly made of methane?
Natural Gas
Burning Fossil Fuels mainly affect which cycle?
Carbon Cycle
The selective absorption and concentration of a chemical within an organism over time.
Bioaccumulation
In Vietnam, there were 16 births and 6 deaths out of every 100 people in the year 2011. Using the rule of 70, estimate the doubling time for Vietnamese Population.
7 years
The Layer of earth located in the outer part of the mantle, composed of semi-molten rock is known as :
Asthenosphere
Another name for Petroleum is known as:
Crude oil
A Factory releases 250 tons of carbon dioxide each year. How much carbon dioxide will it release in 4 years?
1,000