Answer:
D
Explanation:
Stem cells transplanted into the facial tissue of two people with Parkinson’s disease led to sustained reductions in motor and non-motor symptoms, lower medication doses, and a better quality of life, a case study reported.
Answer:
more accurate computer based weather models
Explanation:
this help gather more information and i took the exam
I am pretty sure that it is the last one. Sorry if I'm wrong, but I hope it helps!
The natural process by which the ozone layer get depleted are sun spots and atmospheric winds. The volcanic eruptions are also responsible for the depletion of the ozone layer.
The thinning of the ozone layer, which is present in the upper atmosphere is called ozone layer depletion. These natural processes causes and some chemicals compounds releases chlorine and bromine, which in exposure of high ultraviolet light causes the depletion of ozone.
The ozone layer found in the stratosphere of the earth atmosphere. This region protects the earth from harmful ultraviolet radiation of the sun. It has potential to absorb around 99% of the harmful ultraviolet radiation.
The main causes of ozone depletion are chloroflorocarbons, carbon tetrachloride, methylbromide. The natural processes does not cause more that 1 to 2 % of the ozone depletion.
To learn more about stratosphere here
brainly.com/question/13497783
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They are all made to do a different and specialized job
