Because the pressure in our body is pushing out so it cancels each other out so in space where little pressure our bodies will explode because it is unbalanced and the pressure in our body wants to hget out but the pressure outside is too little to stop also under the sea like 1000s of meters where the pressure is reeally extreme our bodies will be crushed because the pressure outside is far far greater then the pressure inside
The Continental Drift theory states that the 7 continents were all once one big piece. Pangea broke into several pieces by convergent and divergent boundaries. The continents almost fit together as an exact puzzle.
Sickle cell mutation is most common in Africa and southern half of Europe. The reason for this is because, natural selection made areas with high concentration and history of diseases such as cholera, tuberculosis, yellow fever, and much more.