The childhood level living scale was questioned as to its validity because

It's because there were reservation about the scale's sensitivity to cultural diversity.
In different culture, the expectation that both parents and the kids's peers tend to be really different.
This would very much influence the children's interest which would defintiel influence their living scael.

B. Where

Explanation:

Remote sensing is the scanning of the earth by satellite or high-flying aircraft in order to obtain information about it.