Simplify the Expression

question 144

Multiple Choice

Simplify the expression.

---

Definitions:

Pollution Prevention

The practice of reducing or eliminating waste at the source by modifying production processes, promoting the use of non-toxic or less-toxic substances, implementing conservation techniques, and re-using materials rather than putting them into the waste stream.

Synthetic Steps

Sequential chemical reactions conducted to synthesize complex molecules from simpler substances, often outlined in a synthetic pathway or scheme.

Chemical Waste

Unwanted or residual substances produced during chemical manufacturing, research, or use, often hazardous to the environment or health.

Unwanted By-products

Secondary or incidental products generated during a chemical process or reaction that are not the primary target products.