Structural geologist study rock formations to determine the type of environment in which the rocks formed in the events that shaped the rocks. Paleontologist Study fossils found in rock formations. Scientist and both of these fields have a common interest in discovering the? A. History and process of earth

B. Elements that make up the crust

C. Types of minerals that make up sediments

D. Relationships between earth and other planets

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 is an advantage of having memory cells when a pathogen is encountered for a second time. a) the memory cells are what proliferate into clones of cells in response to the binding of an antigen. b) memory cells are vital to the primary immune response in that they immediately recognize pathogens even at the first encounter. c) memory cells are essentially effector cells that are short lived and attack antigens even without having a receptor specific to that antigen. d) it ensures that more lymphocytes with a receptor specific to a particular antigen will be present than in a host that had never encountered that pathogen.

Which best describes carbon dioxide’s path out of the body