Answer:
Adverse impact occur on food web.
Explanation:
There is adverse impact of the change in resources on food web of an ecosystem because food web depends on resources of the environment for their growth and survival. If the producers produce less amount of vegetation due to unfavourable environmental conditions, it greatly decrease the population of herbivores because food is not available in sufficient amount that decreases its population as well as population of secondary and tertiary consumers.
i know that 2+2= 4 jdkfkek
Because industry was booming more people moved to cities for jobs. So A. is a change that did NOT happen
The rest of the answers are changes that Happened
