This process is called genetic engineering. It is a type of genetic modification wherein engineers can examine the dna<span> of a plant and can add a foreign gene or genes to the genome of an organism. The gene holds information that will give a trait to the organism.</span><span> </span>
Answer:
zinc oxide is a pure substance
Answer:
the answer is this
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Answer:
yes
there is vaccines for cancer
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Labor unions arose in the nineteenth century as increasing numbers of Americans took jobs in factories, mines, and mills in the growing industrial economy.
The Knights of Labor, founded in 1869, was the first major labor organization in the United States. The Knights organized unskilled and skilled workers, campaigned for an eight hour workday, and aspired to form a cooperative society in which laborers owned the industries in which they worked.
The Knights’ membership collapsed following the 1886 Haymarket Square riot in Chicago. By 1886 the American Federation of Labor (AFL), an alliance of skilled workers’ trade unions, was growing.