The 3 types of scientific investigation are correlative,comparative, and descriptive
Answer is c. Natural gas.
Natural gas is a fossil fuel in liquid form that can be used as an energy source. It is found in subterranean reservoirs, often near oil deposits. It is non-renewable energy source. It takes very long time to renew. Natural gas is less pollutant as compared to coal and petroleum because when it's burned, it releases 25 % fewer greenhouse gases and pollutants. hydroelectric power, solar power and nuclear energy are renewable sources.
Caverns most commonly form in limestone
Explanation:
we all want to improve air quality in our environments. especially in cities.., unfortunately, the $ you save from "going green," will now cause extra taxes,in the near future, which will defeat the purpose of saving $...from green sources adding another tax for your hard earned resources, example, when u buy a property with wooded areas, in rural towns of illinois, you are charged a green tax, plus higher property taxes to compensate electricity.
therefore, investment in clean energy shud b divided into yearly income per year..hense, people of higher income shud b taxed mor to the rich and people who can afford it. bluecollors are always taxed more than peps
that can actually afford it..
just my thought...
