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Biology

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Mac O'Connell

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4y ago
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Cards in this guide (10)
What element is pumped into drinking water in treatment plants to kill harmful bacteria

It's chlorine that kills the harmful bacteria in drinking water.

What term best describes the number of individuals of a given species per unit area

Population

What three basic things must the human population have in order to survive

Food, shelter, and water

How is nitrogen obtained by animals

.They get it from eating plants.

Which organisms convert nitrogen into a form that is usable by humans

Bacteria

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Specifically a particular type of bacteria that live in nodules on the roots of certain plants (eg the Legume family) called "Nitrogen Fixing Bacteria" .

Not other bacteria decompose organic material and release nitrogen back into the atmosphere.

What material is compressed underground to form fossil fuels

Dead plants and animals

What of these is most likely result of the polar caps melting

Cities on the ocean would be in danger of flooding.

Which of the following is something almost everyone can do to reduce his or her carbon footprint

Turn off the lights when leaving the room. This is to save energy. It's especially true if your lighting company uses fossil fuels. A person can also reduce carbon releases by buying an electric car, these may be expensive, so shop around.

What action would most likely increase the greenhouse gas

Build more gasoline-powered cars

Which advancement technology has helped cut down on Waste

electronic storage of files. apex

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