Answer:
Electromagnetism is a branch of physics involving the study of the electromagnetic force, a type of physical interaction that occurs between electrically charged particles. ... At high energy, the weak force and electromagnetic force are unified as a single electroweak force.
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Answer:
Requires additional labor
Explanation:
The pros are the positive points and cos are the negative points.
Cons of recycling bottle
Cons of recycling bottle will include all those factors which are affecting the nature or cost in some or the other way.
Out of all the given options, requires additional labor is a negative point as it points out the limitation of recycling of plastic. Plastic cannot be recycled if it requires extensively large labor force. Also large labor force will lead to higher cost.
Rest all other option are in support to the practice of plastic recycling.
They were studying the effects of acid rain on different aquatic organisms
Answer:
Many Middle Eastern countries have been transitioning from largely rural living to urban living. City populations are growing quickly as people move to find jobs. However, environmental problems have come with this rapid urbanization. Many urban areas are experiencing air and water pollution. Air pollution is occurring due to the region's reliance on toxic energy sources, oil and gas. Oil and gas release emissions into the air when consumed by factories or cars. Cities are also experiencing water pollution issues due to a lack of waste treatment options. Without places to dispose of waste, people are dumping sewage and industrial waste into water sources. Finally, urban coastal areas are having problems with coastal degradation. Soil erodes and wildlife habitats are destroyed as land is changed for urban development.
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