Answer:
advances in tool making technology led to advance in agriculture and farming revolutionized the world and set prehistoric humans on a course toward modernity inventions such as the plow helped in planting of seeds. no longer did human have to depend on the luck of the hunt.
there are no mutiple choices
Answers:\/
C (freedom of speech)
E (equality)
F (Everyone is aloud their own believes)
brainliest?
Answer:
have fallen by more than one-half.
Explanation:
Thick, noticeable smog in many of the cities and manufacturing centers of the United States helped bring the 1970 e Clean Air Act to spur passage at the height of the national environmental movement. The ensuing modifications were intended to enhance its effectiveness and address newly recognized problems of air pollution such as acid rain and stratospheric ozone layer damage. The Clean Air Act allows EPA to set national environmental air quality levels for certain specific and prevalent contaminants, based on the latest research, to protect public health and welfare nationally. Certain main regulations are intended to reduce the rise in emissions from increasing motor vehicle numbers and new manufacturing plants.
Americans feared that other foreign powers would gain power if the United States did not get involved.
Why did late-1890s newspapers publish sensational stories about Cuba and the Spanish-American War? Newspapers used the stories to sell more papers. ... They blamed Spain for the explosion and called for the US to declare war.
