Answer:
five, NAWSA, ratified, 1920
Explanation:
just did it on edgenuity
The flow of air in a loop caused by differences in temprature and pressure is called <span>Convection</span>
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.
In the Paleolithic period (roughly 2.5 million years ago to 10,000 B.C.), early humans lived in caves or simple huts or tepees and were hunters and gatherers. They used basic stone and bone tools, as well as crude stone axes, for hunting birds and wild animals.
