Based on the law of conservation of Mass, calculate the amount of magnesium that will react with 16.0g of oxygen to produce 40.5 g of magnesium oxide?

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.

im pretty sure its b

they all get energy from eating other animals, dead animals to be more precise.

hienas tends to steal pray from other animals. crows and vultures tend to eat dead animals and leftovers.

hope it ,

bioteacher101