Answer:
global warming is the change of the climate in earth causing it to heat up whereas the greenhouse effect is a naturally occuring phenomena.
UV Light- a form of radiation which is not vusible in human light
infrared light - a electromagnetic radiation with
The only way to get details is if you're actually there. Also, the people who are responsible are Hurricane Hunters.
The correct answer is - A) subsistence farming.
Subsistence farming is the type of farming that is mostly practiced in the less developed countries. In here we have production that is just about enough for the needs of the country (and big portion of the production doesn't even come out on the home market, but you eat what you produce, or trade with someone you know). Also this type of farming is still based on primitive tools and is heavily dependant on the climate, and that makes it very unstable and more often than not people are starving because not enough food has been produced.