Answer: True
Explanation:
The principle of alignment means that conventions of typography such as; layout, color, and other visual elements should be used to make sure that readers easily access your most important content of a document. These cues call the attention of the readers to the most important sections of the document which you want them to really see.
Tbh ! All of them have lens but I would go with B.) Smart Phone
Hope This Helps !!!
Answer:
c. 2 m/s
Explanation:
The speed of a wave is given by:

where
v is the speed of the wave
f is the frequency
is the wavelength
For the wave in this problem, we have
f = 4 Hz is the frequency
is the wavelength
So, the speed of the wave is

The change of state that is occurring is from the liquid state to the solid state.