Were there any answer choices? I feel that this question can have many answers..
Natural selection
Genetic Mutations
DNA (OR)
Survival of the Fittest
Answer:
C
Explanation:
Reinforcement adds SOMETHING/ INCREASE the situation in order to INCREASE the target behavior, while punishment REMOVES SOMETHING/ DECREASE the situation in order DECREASE the target behavior.
Cheers
Answer:
Composite volcanoes have felsic magma.
In this layers stack over each other during eruption.
hope it helps!