Which type of light is restricted to movement in only a given direction

a. polarized
b. diffracted
c. sunlight
d. refracted

Name the following: (a) category of pathogen that causes diseases, like common cold and mumps. (b) the microorganism that requires a host to produce.

Consider the model of the oxygen cycle on earth. the majority of earth's oxygen reservoirs are found in the a) atmosphere. b) biosphere. c) hydrosphere. d) lithosphere.

What part of the brain is highlighted in the diagram below?