4.Which sentence BEST describes the relationship between the plates in Earth's crust and the sizes of the landmasses on top of the plates? A. The plates and the landmasses are approximately the same sizes.

B. The plates are much smaller than the size of the landmasses.

C. The plates are much larger than the size of the landmasses.

D. The plates are different in size from the landmasses.

D. The plates are different in size from the landmasses.

Explanation:

in cartography, a contour line (often just called a "contour") joins points of equal elevation (height) above a given level, such as mean sea level. a contour map is a map illustrated with contour lines, for example a topographic map, which thus shows valleys and hills, and the steepness or gentleness of slopes.

explanation:

the ratio of the conjugate base to the acid required to attain the desired ph.