an object weighs 20n it displaces a volume of water that weighs 15n what is the buoyant force on the object

When organisms are classified ,they are given a two part name

Which codon is the code for the amino acid histidine (his)?

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.