How might society have been most likely impacted if Nikola Tesla, the inventor of AC technology, had not become a scientist? DDT might have never been used.
People’s homes might not have been built with electricity.
Polio might have made thousands of people sick.
Plastics might not have been invented.

People's homes might have not been built with electricity.

Explanation:

Nikola Tesla is the inventor that made electricity efficient and practical. Before his invention of alternating current, we relied on Edison's direct current, which was both dangerous and ineffective. (Important fact: Edison did not invent the light bulb!)

option a and d is the correct answer

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the nitrogen cycle provides nitrogen to the ecosystem from the atmosphere, ground and oceans. nitrogen is an important component of complex molecules such as amino acids and nucleotides, which lead to the creation of proteins and dna, the building blocks of all life. plants absorb nitrogen in the form of ammonium, nitrate ion and, on rare occasions, as amino acids. animals receive nitrogen necessary for biological processes from feeding on living or dead organic matter.