Answer:
The San Pedro River's cottonwood-shaded corridor provides stopover habitat for millions of migrating birds each year.
answer B: because if you want to have good information you want to have a educated person doing it, plus you don't want a someone who doesn't know what they're talking about writing it and you getting wrong info.
The present is a time frame that is usually happening at the moment. For example, 1850 is the past, 2017 is the present, and 2037 is the future.
Because of its location. it`s far from Germany
The U.S gained many people of French heritage.