In some national parks, controlled fires are maintained by firefighters. Which of these is one of the major reasons for using controlled burns to maintain certain ecosystems?
A: to rid the forest floor of accumulated deadwood and brush

Which change would most likely cause deer to die or leave a woodland?
A: a forest fire

If a student gets a chemical splashed into an eye, what is the most appropriate first action to be taken?
A: flush the eye with water at an eyewash station

Reptiles become more active as the day gets warmer. This is because
A:
their body temperature changes with the environment.