Alone in a sealed jar, a mouse would die from exhaled CO2. But as scientist Joseph Priestley observed in 1771, adding a mint plant allows the mouse to thrive. In this proof of photosynthesis, the mint absorbed CO2, retained carbon for growth, and released oxygen. Forests are cut down for many reasons, but most of them are related to money or to peoples need to provide for their families.The biggest driver of deforestation is agriculture. Farmers cut forests to provide more room for planting crops or grazing livestock. Often many small farmers will each clear a few acres to feed their families by cutting down trees and burning them in a process known as slash and burnagriculture.
DEFORESTATION IN THAILAND,NAN PROVINCE
Burning fossil fuels, humans pump CO2 into the atmosphere. Fortunately, plants and ocean waters gather it in... Forests cover a third of our planet's land.They provide raw materials, maintain biodiversity, protect land and water resources, and play a role in climate change mitigation.
ผู้ติดตามบล็อก : 50 คน [
