B, the independent variable because this is the one that is purposefully changed in an experiment to test the hypothesis.
<span>As there are many kinds of deserts, some hot, some cold even arid deserts are the classic hot deserts, but there are also cold and coastal deserts where temperatures do not get so high. The element common to all of these types of deserts, however, is their lack of rainfall. In that sense the rainfall is a characteristic that determines if it's a desert.</span>
Sorry i needed the points... good luck tho
Answer:
C name it as the source of information
