Question 4 of 20 : Select the best answer for the question.
4. Carbon trading is a mechanism by which companies may purchase the right to pollute over a set period,
quota, established by the government. In the market-based approach, what's this tool called?
A. Tax break
B. Property rights instrument
O. C. Market-based quota
D. Market-based instrument

air, water, heat and noise pollution can all be caused by producing and using technology. consuming resources - non-renewable resources, including precious metals like gold, are used to make technology

explanation:

b,bacteria convert nitrates

into nitrogen gas.

d,plants and animals take in

and use nitrogen compounds.

e,bacteria break down waste    

products and return nitrogen  

to the soil.

a,bacteria convert atmospheric

nitrogen to ammonia.

c,bacteria convert ammonia

to nitrites and nitrates.

the median of the data is 4.5.

wait any answer choices plz