No,they can also occur in the form a tsunami.
The world's economies interact with each other by trading. For example, if oil is easier to access in Saudi Arabia than America, it will be less expensive, so we trade. The economies affect one another by giving each other easier access to different resources and products.
Answer: "the vernal equinox" .
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Answer:
Brain drain is one of the earliest phenomena associated with globalisation, which has significant adverse effects at the local level.
The departure of skilled workers can weaken developing countries, especially smaller ones, by depriving them of important skills and workforce.