What is an electrochemical cell?
a. two electrodes separated by an electrolyte that can generate an electrical current.
b. a chemical that, when an electrical current is passed through it, releases a large amount of energy.
c. a biological cell, such as a bacterium, that can generate an electrical current.
d. an electrical circuit formed from chemicals in a solid state rather than metals or metalloids.

Which of the following statements concerning the influence of culture on ethnic identity formation is accurate? a. one will reject ethnic identity if cultural stereotypes are encountered. b. if one’s ethnic city is different from the dominant cultural group, then one’s ethnic identity you will become weekend. c. if an the ethnic group is excepted by dominant culture, then ethnic identity formation can be a difficult process. d. similarity to the dominant culture can determine how easy it is for one to except ethnic differences.

Why are pipes bursting in the in extremely cold weather?

Joe shines white light into a bowl half full of water at an angle of incident of 27.5°. calculate the angle of refraction in the water given the indices of refraction for air and water are 1.00 and 1.36, respectively.