Question

A. Choose the correct option.
1. What is the role of a catalytic converter?
a. It converts air into water.
b. It converts carbon dioxide into oxygen
c it converts carbon monoxide into carbon dioxide
d it converts Sulphur dioxide into sulphur
2 which chemical is used to kill microorganisms or bacteria in the water
a Alum
b charcoal
c chlorine
d lime
3 the process of removing floating rubbish such as plant material and other solids from water is called
a screening
b flocculation
c sedimentation
d filtration
4 chemical runoff from fields and industrial adds nutrients to water and this process is called
a leaching
b eutrophication
c chlorination
d flocculation
5 ozone depletion leads to
a global warming
b acid rain
c skin cancer
d corrosion​

Answer 1

Your answer is in attachement Hopefully

Answer 2

Answer:

1. it converts carbon dioxide into oxygen
2. lime
3. sedimentation
4. flocculation
5. acid rain

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