A woman has type O blood and her child has type A blood could a man with type B blood possibly be the father of the child? Why ?

No

Explanation:

because the child would have either the male or female's blood type.

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

occluded front i think