A. Using a combination lens made up of lenses, each of which has a different index of refraction. Is the correct answer.
Please find attached photograph for your answer. Hope it helps. Please do comment
In my opinion it does. The more water the pot holds, the longer you need to wait for it to freeze. Since there is more water, some parts may not be completely frozen. An experiment you can try is to get an ice cube container and a pot. fill both of them and put them in the freezer for the same amount of time. When you take it out, the ice cubes should be frozen leaving the pot with cold water.
C. Radiosonde is the answer
the above mentioned is not correct
