Answer:
I believe it was droughts or not enough drinking water
Explanation:
After studying the information you have given in the photograph, the element that will be formed when carbon-14 (14C) undergoes radioactive decay is nitrogen-14. You can also write it as just nitrogen. Either way is acceptable.
Answer: E. Is produced by "fracking", which uses high-pressure water and chemicals to make new "fractures" in the shale that allow the gas to escape to wells.
Explanation:
The Marcellus is a large area in the eastern part of the USA. Natural gas is extracted here through fracking or hydraulic fracturing. This is a process in which water at high pressure is injected into a drilled holes thereby creating holes in the rocks housing the gas and petroleum and sending them into a well
.
While fracking provides natural gas, a cleaner source of energy than coal, fracking has some environmental costs such as ground water contamination and the risk of setting off earthquakes.
In order to answer this question, you only need to know in which country does the Darfur region lie- and the answer is Sudan. This is also the correct answer to this question
The two countries that Sudan split into are Sudan and South Sudan.(South Sudan has been very unstable since the separation).
