1. Wind action and meandering streams 2. Wind action and movement of glacial ice
3. Gravity and sand blasting of bedrock
4. Gravity and saturated soil

x would be the most and the least would be y because there are more fruit   and seeds than flock z has insects

nucleus

would be most reasonable answer tbh

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