Which of the Following Is a Mixture

question 43

Multiple Choice

Which of the following is a mixture?

• A)air
• B)gold
• C)salt
• D)iron
• E)helium

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Definitions:

Photosynthesis

The process by which green plants and some other organisms use sunlight to synthesize foods with carbon dioxide and water, producing oxygen as a byproduct.

Replanting

The action of planting plants or seeds in the ground again, often to regenerate an area of forest or to grow a new crop.

Carbon-containing Gases

Gases that include carbon atoms in their molecules, such as carbon dioxide and methane, often impacting the greenhouse effect.

Deforested Areas

Regions where forests have been cleared or removed, often resulting in habitat loss and biodiversity decline.