What Is a "Benign" Tumor

question 35

Multiple Choice

What is a "benign" tumor?

• A)A mass of cancerous cells
• B)A single mutated cell that could potentially develop into cancer
• C)A mass of cells that grows out of control and spreads to other tissues
• D)A mass of cells that grows out of control but remains at the site of origin

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Definitions:

Natural Gas

A fossil fuel formed from the decay of organic material over millions of years, used as a source of energy for heating, cooking, and electricity generation.

Hydropower

The generation of electricity by utilizing the energy of flowing water, typically by damming rivers to create reservoirs.

Pollution Credits

Allowances granted to companies, permitting them to emit a certain amount of pollutants; they can be traded among companies.

Biodiesel

A biofuel derived from natural sources, such as vegetable oils or animal fats, used as an alternative to conventional fossil fuels.