Collecting and burning natural gas.... could b wrong
A prolonged drought.
I think it is A, a prolonged drought because you have limit to water, so that is the limited factor. Hope this helps!
I believe it to be the first one sorry if i am wrong
Answer:
Yes, it is a reasonable conclusion.
Explanation:
The long lasting gas that kept sunlight from penetrating the atmosphere was the key factor that promote a disturbance on the chain food. Without sunlight, plants could not produce their own energy, therefore they could not resist to this environment condition and die. That way, the herbivores could not feed and die as well. Also the carnivore could not survive because their supply of food of herbivores are not alive anymore. This scenario would promote a mass extinction of every dinosaur.