Project Loon, Stratosphere - GS questions based on daily current affairs

1)   Project Loon is a project by -

a. Microsoft
b. Facebook
c. Twitter
d. Google
Answer  Explanation 

ANSWER: Google

Explanation:
- Project Loon is a research and development project being developed by Google X.
- It has the mission of providing Internet access to rural and remote areas.
- The project uses high-altitude balloons placed in the stratosphere at an altitude of about 18 km to create an aerial wireless network with up to 4G-LTE speeds.