Question

read this press release about the results of a two - year study by colorado state university. which piece of evidence is most helpful to support a claim opposed to prescribed burning? fires behave differently, and it is hard to create the same fire experiment twice. the burned area had a healthier and more diverse ecosystem. the dominant plants were thinned to make room for other species. naturally occurring fires may have thinned the area before humans settled there.

Explanation:

Prescribed burning is a controlled - fire practice. If fires behave differently and it's hard to replicate experiments, it implies unpredictability and potential risks, which can be used to oppose prescribed burning. The other options support the benefits of burning.

Answer:

Fires behave differently, and it is hard to create the same fire experiment twice.