Which paet of an atom has the greatest mass

Based on the topographic map of mt. st. helens, what is the contour interval of the volcano about height is 2,950 m?

Approximately percent of the energy created by cell metabolism is used by the body to carry on its normal functions, such as respiration, digestion, reproduction, muscular movement, circulation, and cellular regrowth.

The “ecological footprint” left by a citizen of a developed nation is about four times larger than that left by a citizen of a developing nation. why is this the case?