Chiều rông mảnh vườn đó là:                                                                      148 - 32 = 116 ( m )                                                                           Diện tích mảnh vườn đó là                                                                    ( 148 + 116 ) x 2 = 528 (  m². )                                                                                    Đáp số : 528  m². 

\(\dfrac{108}{12}\) bạn nhé

1.The causes of water pollution

2.Harmful effect from water pollution

3.Groundwater is the water beneath the Earth's surface

4.Factories dump industrial waste into lakes and rivers, sewage from household, farm using pesticides and herbicides

5.Non-point source doesn't originate at a particular point or not being discharged into the receiving stream from a particular waste source

6.Pesticides are used to control various pests and disease carriers, such as mosquitoes, ticks, rats and mice. Pesticides are used in agriculture to control weeds, insect infestation and diseases. 

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