Given a mole each for iron and magnesium, the number of atoms of each element is equal. Iron has a greater mass due to its greater molecular weight. The correct statement among the choices is D.
Change the places of 'acts against the motion of an object' and 'causes an object to change speed or direction'
The correct number of significant figures and digits is 3
Answer:
b.open flame because it is fundamental end of the alcohol mixes in with the flame then it will become a bigger fire