Answer:
Survival and evolution where they compare humans and the Martians and how good they are with technology
Explanation:
Hope it helped
He basically was spreading all of his ideas
There are eight hydrogen atoms as it states H8
I believe the correct answer is: a token economy.
A token economy represents a form of behavior modification
which is designed to increase desirable behavior and decrease undesirable
behavior with the use of tokens. When individuals display desirable behavior,
they receive tokens. The collected tokens may later be exchanged for a
meaningful object or privilege.
Since Tim suffers from attention deficit hyperactivity
disorder (adhd), his teachers and parents apply a token economy to reward him
with stars for desirable behaviors.