Question

which of the following statements correctly describes the pollutants released by factories? factories release only harmless emissions into the environment. factories release only non - toxic chemicals into the environment. factories release greenhouse gases and particulate matter into the environment.

Explanation:

• The first option is incorrect because factories often release pollutants that are harmful, not just harmless emissions.
• The second option is incorrect as factories can release toxic chemicals (e.g., heavy metals, volatile organic compounds) during production processes.
• The third option is correct. Factories, especially those involved in manufacturing, energy production, etc., release greenhouse gases (like CO₂, CH₄) and particulate matter (like soot, dust) into the environment as by - products of their operations.

Answer:

C. Factories release greenhouse gases and particulate matter into the environment. (Here we assume the options are labeled A, B, C in order from top to bottom as is common in multiple - choice questions. If the original labeling is different, adjust the label accordingly, but the text of the option remains the same.)