"matter cannot be created nor destroyed"
1.law of conservation of chemistry
2.law of conservation of matter
3.law of conservation of mass

≅200-130 milions years ago pangea splited in 2 continents

relative humidity, temperature and dew point -- are bound together in the mathematical relationship below. relative humidity changes when temperatures change. because warm air can hold more water vapor than cool air, relative humidity falls when the temperature rises if no moisture is added to the air. so i would say a

climate change and pollution