Acceleration is the rate of change in velocity
It's important to know that diffraction gratings can be identified by the number of lines they have per centimeter. Often, more lines per centimeter is more useful because the images separation is greater when this happens. That is, the distance between lines increases.
<h2>Therefore, the answer is 2.</h2>
If you give us the situation described then I'll be able to help.
I think A, because rodents already live in winter months when little food is available, but I'm not sure.
