Sunlight is absorbed when it hits Earth. Trees absorb sunlight to make their food. Concrete absorbs sunlight during the day, then releases it as heat during the night. How are humans changing the environment by cutting down trees to build cities?
a
They are decreasing the temperature by replacing trees with concrete.
b
They are increasing the temperature by replacing trees with concrete.
c
They are making the seasons in the environment longer by replacing trees with concrete.
d
They are making the seasons in the environment shorter by replacing trees with concrete.