Answer:
The Midwestern U.S mainly has a "humid continental climate"
Explanation:
A "humid continental climate" has 4 seasons and large temperature changes between seasons. It typically has warm to hot (sometimes humid) summers and cold (sometimes very cold in the northern areas) winters.
Answer: Security Guard
Explanation: The security guard left last. You can see that this is true because the man and his dog's footprints are on top and the only prints that have not been disturbed by someone else.