If a topographic map included a 6,000 ft. mountain next to an area of low hills, which would best describe the contour lines on the map?
a.
the contour lines would be dark blue.
b.
the contour lines around the mountain would be very close together.
c.
the contour lines would cross near the top of the mountain.
d.
the contour lines around the rolling hills would be very close together.

cell differentiation  is how generic embryonic  cells  become specialized  cells. this occurs  through a process called gene expression. gene expression is the specific combination of genes that are turned on or off (expressed or repressed), and this is what dictates how a  cell  functions.

explanation:

measuring things 1 litre of water

that the claims meet official rules.

don't misinterpret the claims