31. Why is the world so many human activities warming up your cause to add heat to the Earth, including fuel combustion? Burning of tropical forests of the world. The quantity of carbon dioxide increased, many 32. how to stop heating the Earth. We can stop the rise of carbon side by reducing energy consumption, causing less heat and have to stop burning the forest destruction, as everywhere of this world
33. Tree planting to shade the world so cold world to all of us to help each other grow wild, empty space as much as possible because forests absorb carbon dioxide as the best of the world
34. Hazardous substances in the alkaline battery Alkaline battery is a battery that is used to insert a camera flashlight clock, calculator, used only once, and then leave the. Classified as hazardous waste because they contain hazardous substances consist of: Zinc and mercury
35. Use ดเมี่ instead of charcoal, charcoal cat alkaline Yom. Should use ดเมี่ instead of using charcoal, charcoal top cat alkaline. Because Yom ดเมี่ cache when using charcoal. Can bring new light include charger. 36. read the descriptions before use before using products that contain hazardous chemicals, components should read the descriptions to understand before you can use all the time, and must follow the instructions strictly to their own lives, safety
37. Buying canned food every time you buy canned food will have to check all day. Age tells on the item and the container should buy canned food that has not expired.
38. The dangers of expired canned food, do not buy canned food that has expired because of expired canned food will cause a harmless harmful to the body, such as liver cancer, please be careful every time you buy canned food. Usually is taken to be attractive to induce purchase.
.39. Ammonia in liquid wash wash solution in every type such as bio-langkrachok. Liquid dye I am the bathroom cleaner with ammonia component. Please use carefully. 40. the substance formaldehyde in plywood. New clothes and wash the nail will have the substance formaldehyde is a chemical compound. The substance formaldehyde, will affect the respiratory system. Therefore, please be careful whenever using
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