9) There are four forces acting on the box: A spring pulls with a force of 40 N. The force of gravity acts downward; and the force of the table is pushing up on the box. What MUST be true of the frictional force if the box moves across the table?

A) It is equal to the effort force.

B) It is less than the effort force.

C) It is more than the effort force.

D) It is equal to the force of gravity.

it's     c       this is a cell (b) with a nucleus (c) containing dna (a). the dna is organized into chromosomes (d). a section of the chromosome that codes for a trait is called a gene (e).

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