The primary source of energy for ecosystem processes is photosynthesis. Directly or indirectly, photosynthesis provides the energy for all forms of life in the biosphere.
It would be because the world war 2.
After the world war 2, Germany's territory was divided into two block with different Ideology, the East German with communism ideology and the West German with the liberalist Ideology. They both build a wall called the Berlin wall to separate the two territories
Fish reproduce to quickly
Afghan refugees living in Iran to escape terrorism - Push factor
Bangladeshi migration to India due to flood - Push factor
Admission to university in England - Pull factor
Migration to Canada for a better lifestyle - Pull factor
Migration to America to escape religious persecution - Push factor
Entrepreneur moving to Singapore for a better business opportunity - pull factor
The answer choices that relate to the scenario are :
- Centripetal force
- Economic force
<h3>Effects of workers migration ?</h3>
The migration of the citizens of Sri Lanka and Thailand to Dubai in search of work is, an example of centripetal force because the migrants move towards the center of attraction ( Dubai ) for work.
The migration of Thai and Sri Lanka citizens to Dubai in search of work will lead to an increase in economic force in the city.
Hence we can conclude that The answer choices that relate to the scenario are : Centripetal force and Economic force
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