In a prominent model of self-administration developed by George Koob, rats are allowed to self-administer cocaine for either 1 hour each day (short access) or 6 hours each day (long access).
I think the correct answer is D
Answer:
Chitwan National park is one of Nepal's national heritage because thousands of people annually visit it for the wildlife and various endangered animals, sheltered by the parks like one-horned rhino, royal Bengal tiger etc
Explanation:
Hope this helps you
I think the answer is Goods came to the Roman Republic from several regions outside of Italy.
Answer:
The large ship moved toward the small island.
Explanation:
The adjectives (large, small) are not strong words to describe things. Use massive instead or large and tiny in replacement of small.
