Use the Pythagorean theorem to put the two components together because they are perpendicular to each other and if you were to draw a force vector for the total force it would complete a right triangle with the other two. The r silt is therefore 9.52 N.
Decomposing - When plants and animals die, they decompose. This process uses up oxygen and releases carbon dioxide. Rusting - This is also called oxidation. When things rust they use up oxygen.