lab rock


simple number             weight            volume            density
     7                             100                  245                 0.40816
     6                              50                   110.9              0.545085
     3                              45                   20.92             2.15105
     2                              50                  137.5              0.36363


the impact of society on the environment

the impact of society on the environment

There is a critical association between the well-being of a society and the quality of the environment in which a society lives. In today's global society, many environmental issues can diminish the quality of life on Earth, including overproduction of waste,  Environmental issues are harmful consequences of human activity on the natural environment. some of today's major environmental issues: global warming, pollution, and loss of habitat.

types of cloud

Stratus cloud

Cumulus cloud

Cirrus cloud

Highlight is I in Thai dance activity is very fun. Kru Ple is very friendly she teach how to dance Thai dance and after that she let we go to show.
Plan for M2 I will read book more than this term

Speed lab
We do 20 40 60 Cm.hight
                                                                time travel

                    20                              40                                     60
1           0.11                            0.07                                 0.17
2           0.07                            0.09                                 0.08
3           0.12                            0.08                                 0.12

The 40cm. is the fastest one.

The 60 is the slowest one.

Acid rain is a rain or any other form of precipitation that is unusually acidic, meaning that it possesses elevated levels of hydrogen ions (low pH). It can have harmful effects on plants, aquatic animals and infrastructure. Acid rain is caused by emissions of sulfur dioxideand nitrogen oxide, which react with the water molecules in the atmosphere to produce acids. Some governments have made efforts since the 1970s to reduce the release of sulfur dioxide and nitrogen oxide into the atmosphere with positive results. Nitrogen oxides can also be produced naturally by lightningstrikes, and sulfur dioxide is produced by volcanic eruptions. The chemicals in acid rain can cause paint to peel, corrosion of steel structures such as bridges, and weathering of stone buildings and statues.

The Effects of Acid Rain on Ecosystems

An ecosystem is a community of plants, animals and other organisms along with their environment including the air, water and soil. Everything in an ecosystem is connected. If something harms one part of an ecosystem – one species of plant or animal, the soil or the water – it can have an impact on everything else.

Acid Rain is Caused 
Nature depends on balance, and although some rain is naturally acidic, with a pH level of around 5.0, human activities have made it worse. Normal precipitation—such as rain, sleet, or snow—reacts with alkaline chemicals, or non-acidic materials, that can be found in air, soils, bedrock, lakes, and streams. These reactions usually neutralize natural acids. However, if precipitation becomes too acidic, these materials may not be able to neutralize all of the acids. Over time, these neutralizing materials can be washed away by acid rain. Damage to crops, trees, lakes, rivers, and animals can result.

Food chain





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