<span>A. It established federal emissions standards
</span>The enactment of the Clean Air Act of 1970 (1970 CAA) resulted in a major shift in the federal government's role in air pollution<span> control. This legislation authorized the development of comprehensive federal and state regulations to limit </span>emissions<span> from both stationary (industrial) sources and mobile sources.</span>
Consumers are individuals that purchase items from businessmen. Answer is C.
Answer:
intangibility
Explanation:
According to my research on marketing, I can say that based on the information provided within the question this is known as the intangibility aspect of services. This describes services where there are no tangible<u><em> ( products that can be seen or touched )</em></u> product that the customer can purchase.
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Answer:
Intergenerational mobility
Explanation:
When a change of socio-economic status takes place in between generations it is known as Intergenerational mobility.
Here, Sarah is from a lower-middle-class family i.e., her parents belongs to the lower-middle-class. Sarah became a doctor with the help of a scholarship. She was earning more than what her parents were earning. So, she moved up to the upper-middle class. This happened between her and her parents generation.
Hence, Sarah's movement is best described as Intergenerational mobility.
Trees require more moisture because unlike other plants they must have way for transporting mineral nutrient as relatively great distant from their roots to their leaves.