Which is a disadvantage of using wind as an energy source? check all that apply. it may be unreliable. it is not naturally occurring. it produces a lot of waste. it requires wires to carry electricity. it generates large amounts of electricity.

It may be unreliable.    

Explanation:

Harnessing wind a s a source of energy is very efficient and renewable. It does not produce any waste and is environment friendly energy resource because it is naturally occurring.

But it is unreliable. The wind is the motion of air from high pressure region to low pressure region. Thus, we cannot start or stop wind turbines to spin. It depends on the wind and its speed.

A) it may be unreliable

Explanation:

Sorry years late but maybe for people that need it now

sonar - device which is used to find the submit submarines, sankalp ship. sonar waves consists of a transmitter and detector which are installed in the observation centre on board of a ship. the ultrasonic waves are sent into the sea at high frequency about 1000 khz in all direction.

b mirrors submit a iisner? e. for which optical devices does d sometimes have a positive value? o a a and b o b. a and c o c. b and d 0 d. b and cb