Answer: I'm not sure what answer you're looking for, but here are my thoughts on how you should answer. :)
Explanation:
Habitat for humanity provides hope for families and people in need through its non-profit organization. The fact that the organization is a non-profit, non-government organization shows its run by people who care about others' well-being. They serve a huge number of people, as they have numerous locations throughout the country. Personally, I would be interested in volunteering for them so that I can gain my own experience helping others, whether it's green building a house for homeless families, organizing a special event, etc.
Answer:
greenhouse gas emissions (primarily CO2 and methane) started to be used less, those gasses caused the warming.. aerosols where being overused and therefore, cooling the planet.
My friend has strong mathmatic and English capabilities
We need more information than that