Well it depends on where you live but I would say that it would depend on the number of cars used by each families, the rate in which they use them. You can also mention the use of public transport as a method to reduce this pollution problems.
Maybe include some statistics if you can find them.
Use your daily life experience I think it could help you :)
The answer is, C. nitrogen and oxygen. 78℅ of nitrogen and about 21℅ of oxygen domain most of the dry air.
The correct answer fro above statement is:
<h3>A. He adopted a uniform legal code for the empire.
</h3><h3>D. He instituted a large bureaucracy to administer his commands.</h3><h3>Explanation:</h3>
Justinian built the Corpus Juris Civilis (Body of Civil Law), which ordered and organized the system of laws for the empire. Earlier, the empire had suffered three separate law code systems and many individual laws from past times. There were contradictory and antiquated laws in the old systems, so Justinian secured a commitment to interpret all the laws and formulate a single, connected legal code.
the economy of Japan is a highly developed and market-oriented economy. It is the third-largest in the world by nominal GDP and the fourth-largest by purchasing power parity (PPP). ... Due to a volatile currency exchange rate, Japan's GDP as measured in dollars fluctuates widely.
so the answer would be C. it is sa highly developed economy
