Answer:
option (a)
Explanation:
Wavelength is defined as the distance traveled by the wave in one complete oscillation.
The number of oscillations completed in one second is called frequency.
The relation for the wave velocity is given by
wave velocity = frequency x wavelength
The bare wires that have electricity flowing through them that could kill or seriously injure a person.
decomposition
A decomposition reaction is just the opposite of combination reaction
<span>The extrusive igneous rock is usually found along the ocean floor. These rocks are formed by the cooling off of semi molten fluid of rocks and other solids called as magma which comes out a volcano when it erupts forming a hard surface on earth.</span>