Aerial View Maps

which of the following statements about remote sensing is NOT true?

a. it is a faster means of reconnaissance then ground surveying b. it began with data collected by the united states space program c. one of the most common sources of remotely sensed data is landsat imagery. d. aerial photographs must be interpreted before maps can be made of them

Public Comments

1. I would imagine that question 1 is true. Question 2 is possible. I think 3 and 4 are not true. Hey! I am no expert, it's only what I have read.