Answer:
Migrants send not only money, but also social remittances. ... Yet, migration can also generate negative effects for origin countries. Even though developing countries can benefit in the long run from the emigration of skilled people, the brain drain can prevent poor countries from investing in human capital.
Answer:
To avoid Hyper-oxygenation
Explanation:
Crucian carp have the ability to increase gill surface to maximize oxygen intake, or reduce overall area when under specif circumstances. If the fish does not need so much oxygen it will cover the protruding lamellae to reduce oxygen intake and avoid Hyper-oxygenation.
Answer:
What were some of the main beliefs found in nineteenth-century transcendentalism? People should find spirituality within themselves, instead of simply following the guidance of religious leaders and organized religion. Reality is not only what can be experienced by the senses.
Explanation:
Most of immigrants came from Europe because the economic condidtions on the contitent, transition from agriculture to industry, famine, overpopulation and so on. When the US closed the west frontier, immigrants were looking for new territories and they decided to go north. Yukon gold rush in Canada, new railways all contributed to the increase of immigration to Canada and northern territories.