Humans created an imbalance in nature during the dust bowl by killing the Jack Rabbits.
Explanation:
in 1930 the Farmers problem was DUST BOWL PEST. The main problem was alteration in ECOLOGY make way for the pest called JACK RABBIT. It breed at a amazing rate . so more rabbits were formed.
The predators of rabbit were also moved to different place in search of water. so JACK RABBIT population surged more and ruined the crops of farmers and grass. so farmers kill rabbit.
After the rabbits GRASSHOPPERS developed enormously and devastated the fields.The people then sprayed pesticides and controlled them after this another pest developed thus resulting in the intervention of humans life and ecological cycle disturbed.
I'm pretty sure it would be the second bubble. Cannot be surrendered. Hope this helps! =^-^=
Answer:
Railroads used the iron to build railroad tracks but iron was weak and also dangerous. Soon people then realized that steel was a better material for tracks because it was able to hold more weight which then allowed heavier cargo. Railroads also transported mineral needed to forge steel.
Explanation:
Can created distrust between the community and the law enforcement agency and it can cause fear dislike hatred towards the law enforcement community