Consider the following activities:
- Identification of narcotics on passengers at airports or in
aircraft
- Monitoring of precipitation
- Tracking the migration of animals
In
how many of the above activities can the radars be used?
(a). Only one
(b). Only two
(c). All three
(d). None
Explanation:
Radars can be used in two of the
activities:
Monitoring of precipitation: Weather
radars are specifically designed to detect and track precipitation.
Tracking the migration of animals:
Especially birds, which can be detected by radar due to their size and flight
patterns.
Radars are not used for identifying
narcotics on passengers.
So, the correct answer is (b) Only two.