Answer:
Because Mexico–U.S. migration represents the largest sustained migratory flow between two nations worldwide, much of the theoretical and empirical work on migration in the Americas has focused on this single case. Yet in the past few decades, migration has emerged as a critical issue across all nations in Latin America and the Caribbean. Indeed, over the past fifteen years, this region has changed its historical position from a net migrant-receiving region to one of the leading sending areas of the world.
The last "hot house" or period of increased temperature occurred during the time of dinosaurs. The temperature in today's world is rising slowly but it is still miles away from the temperature that dinosaurs had to face during "hot house". I hope that the answer comes to your help.
Pretty sure it’s air pollution
They form when wind blows over the surface of the ocean. Wind energy is transferred to the sea surface. Then, the energy is carried through the water by the waves. This gives waves the energy to erode the shore.
Austria, Germany's south-eastern neighbor
