Project Loon balloons in Stratosphere
Q. Project Loon will launch balloons for remote connectivity.These ballons will be released in -- Published on 21 Dec 15a. Troposphere
b. Stratosphere
c. Mesosphere
d. Thermosphere
ANSWER: Stratosphere
Putting Ballon in stratosphere has many advantageous
Stratosphere has relatively low wind speeds and minimal turbulence.
Google also claims that it can model, with reasonable accuracy, the seasonal, longitudinal, and latitudinal variations in wind speeds within the 18–25 km stratospheric layer.