Question

what can reduce the urban heat island effect? rooftops covered with plants additional air conditioning units

Explanation:

The urban heat island effect is the phenomenon where urban areas are warmer than surrounding rural areas. Rooftops covered with plants (green roofs) can reduce this effect because plants absorb heat, provide shading, and evaporate water, which cools the area. Additional air - conditioning units would release more heat into the environment, worsening the heat island effect.

Answer:

A. Rooftops covered with plants