Answers: 2
SAT, 24.06.2019 19:30, ShahinF7536
Two technicians are discussing how to test a car's exhaust by holding a small piece of paper within an inch of the tailpipe mouth. technician a says that if the paper is vibrating due to a "puffing" output from the tailpipe, this signals a smoothly running engine. technician b says that if the paper is being drawn toward the tailpipe, this could indicate burned exhaust valves. who is correct? a. technician b b. both technicians a and b c. technician a d. neither technicians a or b
Answers: 1
SAT, 26.06.2019 05:00, nayelimoormann
The graph shows a trend in an ecosystem over time caused by increased pollution in the region. what can you conclude from the graph? a. there’s lower biodiversity among birds. b. there’s a higher reproductive rate among birds. c. there’s a significant decline in the number of producers. d. other types of animals were unaffected by pollution.
Answers: 1
In an online class you don't know when you get a question....
Geography, 30.04.2021 03:10
Mathematics, 30.04.2021 03:10
Mathematics, 30.04.2021 03:10
Mathematics, 30.04.2021 03:10
Mathematics, 30.04.2021 03:10
Mathematics, 30.04.2021 03:10
Chemistry, 30.04.2021 03:10