Answer:pretty sure it's d
Explanation:a is unreasonable because they're too old, b isn't it because they're too old, and c i don't think it's EXACTLY like the one described. good luck!
Answer:
He is known for flow psychology and positive psychology.
7x+???=???
Explanation:
A. increased work opportunities
Hope this helps!
It was because the mining and cattle ranching increased in the west