The correct answer is B.
B) Fossil Fuels
Answer:
correct answer is b
Explanation:
The frequency of a wave depends on the properties of medium density and the elasticity properties change the amplitude depends on the energy carried by the wave, that is, the amplitude is proportional to the height of the wave (oscillation).
Consequently the amplitude of independent of the frequency because it depends on different factors.
Therefore when changing the amplitude the wavelength remains constant
the correct answer is b
Answer:
Doppler radar is very useful for determining the presence of a tornado.
Explanation:
Doppler radar is the special type of radar that uses the principal of Doppler effect to find velocity about the object at any distance. It can be used for many purpose like radar gun, aviation, on air weather etc.
Thus, It can also determine the presence of tornado.
Answer:
Explanation:
The displacement current is given by the expression;
where
The answers are B, C, G, I
Hope I helped
(Don’t know if they are right)