Global warming is when the average temperature of the Earth’s atmosphere and the oceans rise. Greenhouse effect is the retention of the heat by the greenhouses gases on the surface of the Earth, allowing the planet’s temperature to rise.
Answer:
very high percentage of population lives in urban areas and rural areas
<span>These such people are possibly oceanographers. These type of scientists cover a wide range of marine life and ecosystems. They study plate tectonics and the geology of the sea floor. I am sure that they would also track changes in the Arctic ice cap.</span>