Elements are pure substances that are composed or made out of only 1 kind of atom.
D. Sea level has risen more than 300 centimeters. This is true because as the earth gets warmer, ice will melt and turn into water which goes into the ocean making it rise.
Current = charge/time = (2 c)/(0.00024 sec)= 8,333 Amps !
<span>Answer a. is correct. In this case the dog treats were positive reinforcers for staying close (the desirable behaviour). Repeated rewards for a certain behaviour work as positive reinforcers.</span>
