Answer:
because it helped with transportation and trade
Explanation:
Answer: E. Carcinogen
Explanation: The formation of cancer is often termed as carcinogenesis. Carcinogenesis is caused by carcinogens which can be a substances in air, radiation which could cause carcinogenesis, carcinogens may also be used to describe factors such as environmental, chemical or etiquettes which could result in the formation of carcinogenic cells.
Hence, carcinogen is any sort of substance or condition that can directly result to cancer. It could be a chemical substance, a virus, or medications and radiation used in the treatment of cancer.
The United States has a generally temperate climate, which is the best way to describe it.
<h3><u>What type of environment do Americans experience?</u></h3>
The weather in the US varies greatly, from tropical climates in south Florida and Hawaii to arctic and alpine climates in Alaska and all throughout the Rocky Mountains.
The continental United States exhibits a sharp gradient in temperature across regions and seasons, ranging from extremely hot conditions in the southern coastal states, where the annual average temperature exceeds 21°C, to much cooler conditions in the northern regions of the country near the Canadian border, with seasonal differences as great as 50°C and 10°C between summer and winter in the northern Great Plains.
Learn more about the United States climate with the help of the given link:
brainly.com/question/1988415
#SPJ4
<span>the government IS indeed living up to the preamble</span>