Module 10 Earth Science

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Approximately what percentage of plastics are actually recyclable?

10

What percentage of the Earth is water?

71%

The United State's EPA regulates more than _____ different toxins that can be found in industrial pollution.

80

Burning coal, oil, and natural gas has led to an increase of this in the atmosphere

C02

What is a major factor in building up the heat in the Earth's atmosphere?

C02

What are the three gases in our atmosphere that make life on Earth possible?

Carbon dioxide, methane, and nitrous oxide

What are the two main types of pollution flooding the ocean?

Chemicals and trash

How do chemicals make their way into aquifers? Please answer using complete sentences.

Chemicals can make their way into aquifers when farmers use pesticides and fertilizers on their fields and it sinks into the water table and then into the wells. It can also get into aquifers when pesticides, fertilizers, and hazardous wastes are used, they can runoff into the ground and into aquifers.

Which of the following is an example of recycling?

Collecting and using materials to make something new

What brings warmer than normal surface ocean temperatures in the tropics?

El Niño

What is NOT a cause of land pollution?

Emissions

Describe what happens in an El Niño event? Please answer using complete sentences.

In an El Niño event the surface temperature of water in the tropics increases and the Winds in the equator weaken and reverse. The global pattern of the wind in weather is changed and can effect animals, drought, winters, hurricanes and other types of weather making everything more warm.

What happens to plastic waste?

It often ends up in the ocean for fish to eat.

Radon

Just about all soil has some trace amounts of uranium in it. When uranium undergoes radioactive decay, it releases radioactive radon gas. This is a natural source of pollution that eventually winds up in all groundwater.

What are well-engineered and managed facilities for the disposal of solid waste?

Landfills

Chemicals

Man-made and naturally occurring chemicals can make their way into aquifers. Farmers use pesticides and fertilizers on their fields that can make their way into the water table and then to wells.

Periodic cycles in the Earth's orbit around the Sun

Milankovitch Cycles

What are the periodic cycles in the Earth's orbit around the Sun?

Milankovitch Cycles

What causes trash islands to form?

Ocean currents

Salt

One way to remove ice and snow from the roads is to treat the roads with rock salt. When the snow and ice melt, it can carry with it sodium chloride, which dissolves in water. When salt enters the groundwater system, it pollutes it making it unusable.

What are the benefits of recycling? Please answer using complete sentences.

Recycling helps reduce the quantities of solid waste deposited in landfills and it reduces the pollution of air, water, and land resulting from waste disposal.

What is an example of long-term health effects of air pollution?

Respiratory disease

What is the sinking of land in areas where excessive amounts of water were removed?

Subsidence

How does soil become contaminated?

The incorporation of unwanted chemicals in the soil due to human activity

What is a way to reduce plastic waste?

Using reusable shopping bags

What were widespread following Noah's flood which set the stage for the Ice Age?

Volcanic eruptions

What are the effects of land pollution?

What are the effects of land pollution?

Caused by smoke and emissons generated by burning fossil fuels

air pollution

Which of the following is a way to improve the overall air quality?

carpooling

What items are used in a landfill to protect against pollution?

clay flexible plastic soil

Warmer than normal surface ocean temperatures in the tropics

el nino

Chemical contamination

factory discharge fertilizers waste runoff rom septic tanks water treatment discharge oil spills

Which of the following is NOT recyclable?

food

Ensuring availability of water for future generations is a __________.

goal of water conservation

What provides direct information about how temperatures and greenhouse gas concentrations have changed in the past?

ice cores

Cooler than normal ocean temperatures may occur in the tropics

la nina

What is the most common form of soil contamination?

lead

marine trash

plastic bottle caps food wrappers cigarette butts old fishing nets

What is a natural source of pollution that eventually ends up in all groundwater?

radon

_____ pollutants are those harmful substances that are created from the reactions between primary pollutants and the components of the atmosphere.

secondary

These do have an effect on how much energy hits the planet

sunspots

This type of aquifer is more vulnerable to pollution

unconfied aquifers

This combined with warm ocean temp. set the stage for the ice age that followed Noahs flod

volcanic activity

Caused by toxins contaminating the local water supply

water pollution


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