Kalahari desert is in ?

Answer: Option C

Explanation:

"Size of sun compared to Earth" : Sun is thirteen lakh times as that of Earth.

Answer: Option A

Answer: Option C

Explanation:

Distinct layers of atmosphere are :
Troposphere,
Stratosphere,
Mesosphere,
Thermosphere,
Exoshpere.

Answer: Option D

Explanation:

"Nagarjuna Sagar Multipurpose Project" is on Krishna river in Andhra Pradesh.

Answer: Option C

Explanation:

Australia is also known as "Island Continent",

Madagascar is also known as "Island of cloves".