Which of the Following Human Activities Contributed to the Pollution

question 130

Multiple Choice

Which of the following human activities contributed to the pollution of our ancestral air?

• A)Discovering, making, and using tools contributed to air pollution.
• B)The discovery and use of fire contributed to air pollution.
• C)The development of crop farming contributed to air pollution.
• D)All of these contributed to air pollution.

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Definitions:

Net Present Value

A financial metric that calculates the value of a project or investment in today's dollars, discounting future cash flows to their present value.

Cash Outlay

The actual amount of money spent or invested in a specific period or for a specific purpose.

Cash Savings

Funds that are kept on hand or in a savings account for future needs, emergencies, or investment opportunities.

Investment Opportunities

Potential placements of capital in projects or assets that are expected to yield returns or financial growth over time.