Barak Obama is the 44th president of the united states
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.
Same bro not here for points
A. Petrified
<span>Petrified wood (from the Greek root petro meaning "rock" or "stone"; literally "wood turned into stone") is the name given to a special type of fossilized remains of terrestrial vegetation. ... A forest where such material has petrified becomes known as a petrified forest.</span>