Answer:
Simple answers. Hope it helps
I'm confused to what the question is?
The primary problem is the greenhouse effect. Greenhouse effect is when some gases (including CO2) absorbs some portion of sun's heat to make the atmosphere warm to support life. But when the amount of CO2 etc. increases in the atmosphere, it heats up more than it is required. So, by limiting CO2 emission, we can solve this problem.
A. building tables,
because I'm not sure how that will exactly help you in studying. However, in my opinion, the other three seem able to work.
Sorry if this answer is kind of late, but this is the first time in ages since I've logged on. Have a good night and life though! :3
Yes, the government is doing enough to ensure that human rights are protected. There have been a lot of movements to protect human rights. The government is creating laws in connection with it. On the other hand, those people whose rights have been violated can seek the help of the government as well.