Trees help to prevent climate change. In one year an acre of trees can provide oxygen for 18 people. Trees help to prevent climate change trees also save water. Studies have shown that trees heal people;like children with ADHD have less symptoms when they are in nature. Trees protect people from sun rays. The gases produces clean air for people to breath in provide food, water and wood to light a fire - to keep warm. Trees absorb all the gases horrible in the world (nitrogen oxide, ozone, sulfur dioxide)
Carbon dioxide is a colourless gas - that is a slightly toxic
carbon dioxide is a greenhouse gas. In the last century more and more Co2 has been going into the earth's atmosphere. Carbon dioxide is increasing each day because of us humans It is mainly natural but humans influence it like: fossil fuels (factories), fires, trees, cows and more. Co2 is also from nature, so it's not all our fault (thank goodness!). It has made the ocean 30% more acidic, its is killing animals because it's to acid for the animals. Carbon is odorless. Co2 is a natural gas that is formed by two atoms to make one.
The Co2 will stay in the air for a long time (It won´t go away overnight).
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