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Christophe Greenfeld...

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Cards in this guide (16)
To be a valid scientific experiment the results must be

Repeatable

What would a flood have to do with global warming

The glaciers melt due to the warmer air, causing there to be more water in the oceans. The oceans can't hold it so it floods

Where are most of the gas molecules in the atmosphere found

troposphere

Which describes the variable that is changed to test the prediction

independent

Which atmospheric level is farthest from the lithosphere

The thermosphere is.

Which tool enhances a scientists senses

a microscope

How do lichens change their environment so other organisms can live there

Lichens absorb water and minerals from the air. As a result, they are easily affected by pollution. Thus the presence of lichens are a good source of air quality for other organisms

What is the highest the temperatures in the thermosphere reach

10000

Which source is better hydroelectricity or natural gas

Hydroelectricity is better because it releases no carbon dioxide emissions to cause global warming. Natural gas is the cleanest of the fossil fuels (coal, oil and natural gas), but it is still responsible for carbon dioxide (CO2) emissions.

Which supports life is transmitted to Earth in the form of

The sun's energy, which supports life, is transmitted to Earth in the form of?

What part is the ozone layer

The ozone is a part of ozone layer. This layer is present in the stratosphere.

If experiments support a hypothesis why is the hypothesis still not considered proven

A better explanation might exist.

Which is not a kind of surface water pond stream aquifer or runoff

An aquifer is underground.

How does igneous rock turn into sedimentary rock

erosion followed by deposition followed by consolidation and mineral cementation

How do Scientists always prove or disprove their explanations by

Making predictions & then testing them.

What are the members of a given species

Can produce fertile offspring.

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