Which cloud types would most likely indicate that a thunderstorm is on the way?
a. cirrus clouds
b. dull, gray, stratus clouds
c. cumulus clouds that are small and round
d. cumulus clouds that are tall with a flat top

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.

In the diagram below, the northern hemisphere would be in what season at position a a.fall b. winter c.summer d.spring

What type of organism is a one-celled organism that functions as a single unit? a. bi-celled b. single-celled c. pre-celled d. multi-celled