Find the formula weight in amu of magnesium hydroxide, Mg(OH)2, to four or more significant figures.

answer

i think the answer is a) as air pressure in an area increases, the density of the gas particles in that area decreases.

hope it

indicate valleys, hills, steepness and gentleness of slopes.

explanation:

contour lines on a map indicate elevation, or depth. numeric notations on contour lines refer to the level of elevation, or height about sea level.

answerambulatory;