Lowering Combustion Temperatures in Furnaces

question 46

Multiple Choice

Lowering combustion temperatures in furnaces

• A) Has no effect on air-pollution emissions.
• B) Reduces production of nitrogen oxides.
• C) Increases emission of lead and sulfur.
• D) Reduces particulate pollution.

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Definitions:

Evolutionary Change

The evolution process by which distinct forms of life are understood to have evolved and spread out from previous versions throughout the history of Earth.

Extinction

The permanent loss of all members of a species, making it unable to survive, reproduce, or recover in its natural environment.

Abiotic Factors

Non-living chemical and physical parts of the environment that affect living organisms and the functioning of ecosystems.

Cambrian

A geological period approximately 541 million years ago marked by a rapid diversification of life forms in the fossil record.