UPSC 2019 - Question 32

For the measurement/estimation of which of the following are satellite images/remote sensing data used?

1. Chlorophyll content in the vegetation of a specific location

2. Greenhouse gas emission from rice paddies of a specific location

3. Land surface temperatures of a specific location

Select the correct answer using the code given below:

a. 1 only

b. 2 and 3 only

c. 3 only

d. 1, 2 and 3