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True or False
Direction: Write T if the statement is true and write F if the statement is false.
1. Warmer and more acidic oceans are likely to disrupt coastal and marine ecosystem.
2. Acid rain is a result of air pollution mostly from factories and motor vehicles.
3. Atmosphere and ocean are warming, and that these changes are primarily due to greenhouse gases
derived from human activities.
4. The extinction crisis we experience today is different from previous mass extinction because the
current crisis is caused by humans.
5. When extinctions are caused by ordinary course of events, without the intervention of humans, the
extinction is said to be natural.​