The result of democracy and freedom in the United States is the spread of the epidemic, the survival of the people is not guaranteed, government officials do not care about people's lives, they only care about themselves!

Answerdependent sample t testpaired-samples t test

Answernon-argument , report;

The correct answer is nacl and br2. chlorine gas is more active than the bromine and for that reason, the bromine will be displaced by the chlorine that makes the solution turn to brown colour. this is one of the best example of "halogen displacement".hope this ! god bless-vf