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100

The place where an organism usually lives is called a/an ________________________.

habitat

100

What do the Atmosphere, Geosphere, Biosphere and the Hydrosphere all have in common?

4 major parts of the Earth  systems

100

The part of Earth that mainly consists of the rocky layers of the Earth's crust.

Geosphere

100

The warming of the surface and lower atmosphere of Earth that occurs when water vapor, carbon dioxide, and other gases absorb and reradiate energy.

Greenhouse effect

100

___________________ is a soil that is frozen throughout the year.

Permafrost

200

Both living and non-living factors make up the ______________________________ in which a living things live in.

Environment

200

Is the part that is all water systems on Earth.

Hydrosphere

200

The part of the Earth that is all living things, plants, animals, fungi, bacteria included.

Biosphere

200

______________ is often expressed as Earth's average surface temperature, which is currently 16 degrees C ( 61 degrees F).

Global climate

200

______________ is a greenhouse gas that is released from permafrost that absorbs solar energy and makes the atmosphere warmer.

Methane

300

Over use of resources in a habitat is called ______________________.

Resource depletion

300

Is a particular kind of pollution that comes from a specific site.

Point source pollution

300

This term describes a species that has died out completely.

Extinct

300

___________________ contains clues about past climates and are found in rocks, fossils, tree rings, and ice cores.

Paleoclimate data

300

A/ an  _____________________ occurs when a change in one quantity changes a second quantity, and the second quantity then amplifies the changes in the first quantity.

Positive feedback loop

400

______________ is a statement that is proven.

Fact

400

Is a particular kind of pollution that comes from many sources rather than from a single, specific site

Nonpoint-source pollution

400

Structures designed by humans or naturally created that are raised parts of land that contain rising waters.

Levee

400

_______________ are the remains of living things from long ago that can give us clues about past climates.

Fossils

400

How long are the Earth's cycle of tilt change?

41,000 years

500

______________ is what some one believes about something.

Opinion

500

Is the layer of gases that surround the Earth.

Atmosphere

500

An area in the ocean that living things cannot live due to high amounts of algae creating low oxygen levels for life use under water.

Dead zone

500

Term is used to refer to the effects of Earth's increasing global temperature.

Climate change

500

What is the Earth's axis tilt at the current moment in Earth's history?

23.5 Degrees

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