How are the benefits of wildfires in grasslands and northern forests similar? a. increased tree quantityb. increased food production for grazersc. increased amount of lichensd. all of the select the best answer from the choices provided

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How are the benefits of wildfires in grasslands and northern forests similar?
a. increased tree quantity 
b. increased food production for grazers
c.increased amount of lichensd. all of the above

If you are, the answer would be letter B. 
Wildfires not only do they remove dead and decaying plants that act as fuel for future fires — ones that will be more intense and disastrous, wildfires  work to eliminate dense foliage and thin out the forest allowing plants closer to the forest floor to come in more contact with sunlight and rain, “enabling a new generation of seedlings to grow” 

>>>forest fires play a vital role in maintaining nature’s constant cycle.

The troposphere gets warmer as altitude increases.

Ithink the answer is d.