Use the sentence to answer the question.
At a low intensity, flames can clean up debris and underbrush on the forest floor, add nutrients to the soil, and open up space to let sunlight through to the ground.
Which topic sentence does the evidence best support?
a
Wildfires play an important part in maintaining healthy ecosystems.
b
Climate change has left some ecosystems more susceptible to wildfires.
c
High temperatures and low rainfall turn plants into the perfect fuel for wildfires.
d
Wildfires that burn near communities can become dangerous if they grow out of control.