Which of the following is a problem caused by the use of fossil fuels?

People who move from place to place for survival is called

Which instance of political expression would be considered symbolic speech? a. a student wearing all black to call attention to political issues b. a candidate for congress giving an interview to the media c. a demonstrator chanting anticorporate slogans outside a company’s headquarters d. a local citizen speaking up at a town hall meeting

Who ever answer first get ! question 1 : which pair of words names two processes for treating water to make it clean? a. aeration, precipitation b. coagulation, refurbishing c. filtration, coagulation d. combustion, aeration question 2: which act did the u.s congress pass in 1972 to protect th nation's water? a. anti-pollution act b. watershed protection act c. clean water act d. nixon act