Which of the following reactions would occur at the anode in a voltaic cell? Cd2+ (aq) + Zn (s) --> Zn2+ (aq) + Cd (s)
K+ (aq) + e- --> K (s)
Cu2+ (aq) + 2e- --> Cu (s)
Ca (s) --> Ca2+ + 2e-

the right answer is the last one.

Explanation:

I I know because I've done this before.

shield volcanos are angry and get mad over the smallest things so much that there heads erupt   pahoehoe and a'a lava. a composite volcano is the poller opposite of a shield volcano. its   peaceful thing and knows how to control its emotions.      

12 is it do you think so