The earth is a beautiful planet, and it is also a home where we humans live. As a planet with life, it is naturally inseparable from trees and plants. The life system of the earth is composed of plants and animals.
It is precisely because of the large number of trees that the earth will have a beautiful ecosystem now, and there are colorful creatures. The forest is the main body of the land ecosystem, and the tree that forms the forest is also called "the lungs of the earth".
Trees are one of the important conditions for providing oxygen for the earth. It can not only beautify the environment but also create clean and clean air for us humans. Because trees can constantly absorb carbon dioxide discharged into the air.
In the early days of human economic development, we always obtained economic benefits through cutting trees. But after entering modern society, human beings gradually realized the importance of protecting the environment and began to advocate tree planting.
The tree has the effects of regulating the climate and maintaining ecological balance. Trees use photosynthesis to discharge carbon dioxide and oxygen to make the air clean and fresh. One hectare of forests can provide 65 people's oxygen.
Because the roots of trees need to be consolidated, they can inhale a large amount of dust and can also cultivate water and soil.
It is understood that a forest can inhale 20-60 tons of dust every year. In fact, in our daily lives, people cutting trees is very common, so floods also occur in some places. The main reason is that it loses the protection of trees.
Trees can also reduce noise pollution. The 40 -meter -wide forest belt can weaken 10-15 decibels; the secretions of trees can also kill bacteria.
Under normal circumstances, there are 40,000 bacteria per square meter, while the forest has only three or four hundred bacteria. In addition, the big tree can also reduce the temperature and increase the humidity!
Are the more trees the better? This question was answered in ancient times.
The dense trees and leaves need to continuously absorb carbon dioxide in the air, but there were no microorganisms that could break down trees on the earth, which also caused the cycle of carbon on the earth to be unable to proceed normally.
Because the earth loses greenhouse gas such as carbon dioxide, the earth quickly cools down and enters the horrible ice era.
On the earth at that time, many plants would wither, and animals were in a state of dying, which caused the extinction of some rare species.
But these are not enough.
The death of trees and plants can cause a large number of leaves on the earth. But because there were no humans at the time, animals did not take the initiative to clean, which led to the accumulation of these dead animals and plants on the earth.
Over time, the rotten accumulation entered the ground, thus forming a coal seam with a thickness of up to 30 meters.
Maybe you will say that coal is a rare natural resource. Isn't the more coal the better? But this is not the case. Coal releases energy by burning, which led to flammable materials everywhere on the earth, and explosions may occur at any time.
