Read the passage below. Noise pollution is defined as the "presence of unwanted sound.” One major source of noise pollution comes from transportation—namely, motor vehicles. Too much exposure to noise pollution has been linked to many serious side effects, such as hearing loss, stress, and sleep disturbance. Since noise pollution has been linked to many harmful effects, many people feel it is time to take a look at what measures can be taken to reduce noise pollution in the United States.

The beginning of which sentence indicates a cause-and-effect relationship?

“One major source of noise pollution”
"Noise pollution is defined as"
“These sounds may be considered”
“Since noise pollution has been linked”

the correct answer is c. he speculates on what might happen at given points in the future in a world without people. alan h. weisman is an american author, professor, and journalist. authors organize their information with a purpose. they present their ideas in an organized way. this is called text structure. weisman uses text structure so as to improve overall comprehension and to prove his points.

after the signature of the treaty of versailles in june 1919, germany lost nearly 25,000 square miles and a population of 7 million people. these territories included eupen-malmedy area and moresnet which were ceded to belgium. regarding relations with france, germany ceded the sovereignty of the saar coal mines to this country, as well as the provinces of alsace-lorraine.

explanation:

i believe the answer is a