To reduce 2005 co2 emission levels by 50% by 2050 it is estimated that investments in clean energy should be

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...

i believe the correct answer from the choices listed above is the first option. the scientists need to look at the   validity of data, claims, hypotheses, and observations before  developing an argument. they base their arguments on facts that are present and they make sure they have proofs. 

explanation:

metamorphism is the change of minerals or geologic texture (distinct arrangement of minerals) in pre-existing rocks (protoliths), without the protolith melting into liquid magma (a solid-state change). the change occurs primarily due to heat, pressure, and the introduction of chemically active fluids. i hoped i !