Which is an inorganic compound? A.
Sample C contains carbon, hydrogen, and nitrogen.
B.
Sample B contains carbon, hydrogen, and bromine.
C.
Sample A contains aluminum, hydrogen, and oxygen.

An organ system consists of a group of organs that performs specific functions necessary for the survival of an organism. humans have eleven different organ systems: integumentary, skeletal, muscular, nervous, endocrine, circulatory, lymphatic, respiratory, digestive, urinary, and reproductive. discuss the function of neurons, the brain and the spinal cord within the human nervous system while explaining the interrelationship of each organ.

Which of the following is not a possible effectof increasimg carbon dioxide levels in the atmosphere ?

Which best describes a gene? a. a sister chromatid b. a chromosome c. a tetrad d. a piece of a chromosome