Fossil Fuels

question 117

Multiple Choice

Fossil fuels

• A) can be recycled.
• B) include biofuels.
• C) are the organic remains of ancient autotrophs.
• D) are still being generated by living autotrophs.
• E) are the remains of dinosaurs and ancient autotrophs.

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Definitions:

Blood

A vital fluid in the body that delivers necessary substances such as nutrients and oxygen to the cells and transports metabolic waste products away.

Fluid

A substance that has no fixed shape and yields easily to external pressure; a gas or (especially) a liquid.

Formed Elements

Cellular components of blood, including red blood cells, white blood cells, and platelets, that are suspended in plasma.

Plasma

The liquid component of blood, in which blood cells are suspended, comprising about 55% of total blood volume.