Answer: look down
Explanation: humans...humans...and did i say humans?
:D
Answer:
“China made market-based cap-and-trade system to limit emissions from some of its largest sectors.”
Explanation:
The rules of the government are described in the Constitution of a country - the correct answer is 1).
For example, the constitution of the United States describes the rules of the government in the first three articles - one per each branch of the government.