The answer is C because the oasis is a small body of water where there is very few water.
That's a simple part of evolution. Humans are built to adapt.
If we go in the frozen tundra, we make coats and other cold-blocking clothes. We find nearby food, like fish. Over time, our differences become more distinct from the rest, and we become less vulnerable to the cold.
Hope this helps! :)
Answer:
According to behaviorists, operant conditioning may play a key role in how the rewarding effects of drugs lead to substance use disorders.
Explanation:
According to Skinner, operant conditioning is a learning method that takes place employing rewards and punishments as a response to a particular behavior. Operant conditioning determines how an individual associates a specific behavior and its consequences, such as drugs consumption and its effects.