Answer:
hey theree
see they used flint :p =>
Flint chipped easily and could be moulded into different shapes
Flint is a silica material not unlike glass and when it breaks, it creates very sharp edges
Over time man learned to make these sharp edged tools intentionally and then how to keep them sharp. With flint, they could butcher animals more efficiently, Hunt more efficiently, cut other materials more efficiently.
<3 brainliest :o
The answer is B the power of the catholic church in Europe was weakened
One of the first environmental legislative acts enacted by a bipartisan Congress signed into regulation by Richard Nixon in 1970 was the Clean Air Act, which mandated government agencies to conduct environmental influence studies for building projects. The decade ended with a dangerous chemical happening at Love Canal, New York.
<h3 /><h3>What is EPA?</h3>
The Environmental Protection Agency stands as an independent executive agency of the United States federal government entrusted with environmental safety matters. President Richard Nixon proposed the structure of EPA on July 9, 1970; it began operation on December 2, 1970, after Nixon marked an executive order.
The Environmental Protection Agency (EPA) exists a federal government agency by the Nixon Administration desired at protecting human health and the environment.
When President Richard Nixon started the EPA, it existed assessed to fix acceptable national guidelines and to monitor and implement the guidelines for environmental protection. Thus, the Clean Air Act was enacted early in 1970, but the decade concluded with the Love Canal disaster.
One of the first environmental legislative acts enacted by a bipartisan Congress signed into regulation by Richard Nixon in 1970 was the Clean Air Act, which mandated government agencies to conduct environmental influence studies for building projects. The decade ended with a dangerous chemical happening at Love Canal, New York.
To learn more about Environmental Protection Agency refer to:
brainly.com/question/260806
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By lowering trade barriers....I think. Sorry if it's wrong