Answer:
it helps researchers sense things on earth. they are usually on aircraft or in a satellite.
Explanation:
it collects data from a different level detecting the energy from the earth. this energy comes naturally from the earth's surface. it even most commonly picks up reflected sun light (which is also a source of radiation)
They were the frenches freinds
The correct answer is: A. the salt content of the water has increased
The water is very polluted, the fish population has gone down as well. and the birds eat the fish, which are toxic due to pollution.
