Cataplexy is a symptom associated with
a. narcolepsy
b. night terrors
c. restless leg syndrome
d. insomnia

Which of the following is an oxidation-reduction reaction? (pictured below)

What is the farthest destination to date for a human spaceflight mission?

The carbon cycle is best defined as a process in which a. carbon changes from inorganic forms to organic forms and back b. carbon is changed into other elements such as oxygen or nitrogen c. carbon is continually created from the sun’s energy by plants d. carbon is consumed and regenerated from other elements such as oxygen and nitrogen