D. Greenhouse gas feddback
I'm not for sure but I believe this is the answer sorry if I get it wrong in advance
Answer:
Sahara and White desert
Explanation:
the Sahara desert lies west of the River Nile and South from Mediterranean Sea to the border with Sudan
The White Desert is an area in the Sahara that lies west of the Nile River.
(im sorry this is all the information I can find because really the answers I keep seeing besides these is the Arabian and Libyan deserts. I hope this does help! Have a wonderful day everyone!)
:)
Http://www.lcps.org/cms/lib4/va01000195/centricity/domain/4153/study%20guide%20-%20geography%20unit%201%20answer%20key.pdf
Answer: No unethical experiment can ever have a positive effect on society.
Explanation: