The greenhouse effect is exacerbated by the use of fossil fuels.
They are what keep the environment more safe. Without funding to these people crime rates would significantly increase and would cause more danger in the environments such as roads not being properly maintained.
It was Carl O. Sauer who did
<span>an idealized cycle of processes undergone by rocks in the earth's crust, involving igneous intrusion, uplift, erosion, transportation, deposition as sedimentary rock, metamorphism, remelting, and further igneous intrusion.</span>
Answer: We study other star systems in spaceships and big, professional telescopes