The central portion of earth is called the
a mantle
b core
c moho
d crust

the core is the answer hope this helps :D

please mark/crown me brainliest

The core is the central portion of the earth.

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