.A package mailed from Hawaii weighs about 19.94 kg. The very same package mailed from Oslo, Norway, weighs 20 kg. How can you explain the difference

a- all cells come from pre-existing cells

b is the correct answer

the "power" of a lens is its resolution power, or its ability to distinguish between to closely located points. with the low power lens, it is likely you will see the rough form of the hay and maybe some movement of dots around the hay. however, when observed with the high power lens, the detailed features of the hay become visible and the microbes being grown are more clearly visible.

i hope this you