Question

which of the following methods of improving air quality does not require advanced technology?
a. exhaust scrubbing
b. conservation
c. using renewable energy sources
d. driving fuel-efficient cars

please select the best answer from the choices provided

○ a
○ b
○ c
○ d

Explanation:

• Exhaust scrubbing uses advanced industrial filtration systems.
• Renewable energy requires advanced tech for harnessing/storage.
• Fuel-efficient cars rely on advanced engine technology.
• Conservation (e.g., reducing energy use, limiting unnecessary travel) only requires behavioral changes, no advanced technology.

Answer:

B. conservation