Question

Halogens are destructive to ozone because they are highly reactive with oxygen.
true or false?

Answer 1

i want to say it's true but not sure

Answer 2

and can someone help with this one?
Which of the following would most likely utilize a particulate control device?
a.
a vacuum cleaner
b.
a factory smokestack
c.
a laundry dryer
d.
all of the above

Answer 3

\(\color{purple}{welcome :) to :) open :) study}\)
this is math section if you look at the top there is " find more subject"
and then click on a right subject where that suppose to be thanks

Answer 4

and yes that is true

Answer 5

excuse me why you have to say that word

Answer 6

well, i will close this. thank you again

Answer 7

that word is not appropriate
:)
thanks :)