Science!

what role did the dust bowl play in the history of soil conservation?

a. it led farmers to make voluntary efforts to conserve soil.

b. it stirred government to enact the first soil conservation laws.

c. it disproved the idea that irrigation was unnecessary.

d. it showed that the american central plains did not have good quality soil.

answer: accepted answer: aquatic animals use the oxygen dissolved in water to carry out respiration. since the amount of dissolved oxygen in water is low as compared to the amount of oxygen in the air, therefore the rate of breathing in aquatic animals is much faster than it is in terrestrial animals.

explanation:

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answer: collecting information/data

reason: the student is going around and asking people questions to collect data

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c.           is the correct answer

air enters through the nose, moves through the nasal cavity, the pharynx, the larynx, enters the trachea, moves through the bronchi andbronchioles till the alveoli.