Africa i believe. Please correct me if im wrong.
Answer:
the annexation of Hawaii in 1898, which allowed the United states to gain possession and control of all ports, buildings, harbors, military equipment and public property
Sum of all angles in a quadrilateral is 360....so x=36
1st angle=4(36)=144
2nd angle=3(36)=108
3rd angle=2(36)=72
4th angle =36
B. Better managing our natural resources
The biosphere is all living things on earth
