Answer: A human being is an open system.
Explanation: This is because humans exchange both matter and energy with an outside system.
Fragmentation and repetition create Variation
Rock and roll is a style of popular music that originated from the U.S in the mid-1950s, and by mid-1960s it had developed to an international style known as rock music, though the latter continued to be, rock and roll or rock 'n' roll or rock & roll. The music is associated with performers like Little Richard, Chuck Berry, Buddy Holly and the early Beatles. Instrumentation and arrangements are simple: three or four instruments, and, mostly the same number of cords while horns and strings and back up singers can be added.
Answer:
The correct answer is A. a poster with illustrations of many different breeds.
Explanation:
It was correct on my quiz so It should be correct. I hope that this helps! :)