Question

read the passage. urban green roofs, also called living roofs, are rooftops covered with plants, soil, and a special waterproof layer to support vegetation. these eco - friendly structures bring nature into cities, where space for gardens and parks is limited. green roofs help reduce the urban heat island effect, a phenomenon where cities become much hotter than surrounding areas due to concrete and asphalt trapping heat. by absorbing sunlight, plants cool the air and reduce the need for air conditioning in buildings. green roofs also play an important role in managing rainwater. they soak up rainfall, reducing runoff that can overwhelm city drainage systems and cause flooding. additionally, they improve air quality by filtering pollutants and provide a habitat for birds and insects. though they can be expensive to install, green roofs save money over time by lowering energy costs and extending the lifespan of roofing materials. they represent a sustainable way to make cities greener and healthier places to live. look at the text in bold. how does this detail support the central idea of the passage? it emphasizes how green roofs can become places for communities to gather. it suggests that the main purpose of green roofs is to beautify cities. it highlights how green roofs compensate for the lack of plant life in cities. it shows how green roofs can be used to supplement food production in cities.

Explanation:

The passage focuses on green - roofs' role in bringing nature to cities with limited green space. The bold text supports this by showing how they compensate for lack of plant life.

Answer:

It highlights how green roofs compensate for the lack of plant life in cities.