What causes sleet? A) Water vapor cools into droplets which accumulate in size until they cannot be supported by the air.
B) Warm moist air comes in contact with cool ground conditions.
C) Accumulated rain passes through a freezing layer of air.
D) Ice crystals form at high altitudes and melt at lower altitudes into rain.

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

d.embryo is the correct one

answer; convade;