aloe vera plants are about 95 percent water they store an enormous quantity of liquid in their leaves and roots the high moisture content contributes to aloe s reputation as an all purpose healer especially suited for use to soothe burns and scalds
Law of definite proportions, statement that every chemical compound contains fixed and constant proportions (by weight) of its constituent elements.
The definition of positive definite is that, for all column Vectors x, x*.A.x>0, where x* is the Hermitian transpose of x. The definitions for positive semidefinite, negative definite, and negative semidefinite involve reversal of the inequality sign, or relaxation from a strict inequality.