Migration is when the birds go from south to north, north to east, east to north, and south to east.
The reasons for migration is that when it is cold the births fly north to south to find somewhere warmer (Like Florida). Birds can't fly in the cold so they fly to the warmer area.
Physical weathering brakes it down while keeping the same substance.
I believe the answer is the last option
Answer:
equator
In general, the sun's rays are the most intense at the equator and the least intense at the poles. On an average yearly basis, areas north of the Arctic Circle receive only about 40 percent as much solar radiation as equatorial regions.
Explanation:
China had to accept the USA idea of trade with all countries. China had to have equal rules of this trade with those countries. It was in 1899 so quite long time ago.
