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How much deforestation occurs globally each year?
The United Nations Food and Agriculture Organization (FAO) reports (2005) that the Earth's total forest area continues to decrease at about13 million hectares (32.5 million acres) per year. Or250 000 hectares (625 000 acres) per week. Or35 714 hectares (89 000 acres) per day. Or1488 hectares (3720 acres) an hour. Or25 hectares (62 acres) a minute. Or0.4 hectares (1 acre) every second.An American Football field measures 0.53 ha (1.32 acres). So about 4 football fields every 5 seconds!Many people think the actual figure is much higher, because these figures were provided by each country, and may not include illegal logging.A report from the Food and Agriculture Organization of the U.N.: The State of the World's Forests 2003 notes the percentage of forest lost between 1990 and 2000.Burundi (15 000 hectares, 9%) and Haiti lost the most (7 000, 5.7%).Some countries increased their forest cover. Among them:Israel 4.9% increaseIreland 3%Cuba 1.3%China 1.2%UK 0.6%New Zealand 0.5%USA 0.2%
How does human body works?
This can't be answered in a short sentence or paragraph. The human body has lots of different components and systems, each of which contribute to the body as a whole, and each of which works differently.
Do you like cleaning the earth?
I love cleaning the earth. I think it is the responsibility of everyone to leave the earth a better place. Each person can make a difference.
The solar energy received at each area of the Earth is not the same This is the driving force for the Earth's?
winds
What are the 4 spheres studied in earth science and what does each study?
nothing
