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A rosette sampler is used for collecting water samples in deep water, such as the Great Lakes or oceans, for water quality testing.. Water quality refers to the chemical, physical, and biological characteristics of water based on the standards of its usage.
Streambeds are what would be left once a stream is no longer in existence. The beds are usually well preserved even if they get buried because the banks and canyons made by the stream are typically hard, although soft sand and debris often fill the bed. Dry, buried streambeds can actually be underground water pockets. [1]
The incident started on 7 March 2019 after several students and canteen workers from two schools near the river began to fall ill and complaining of breathing difficulties. [3] Both schools were ordered to shut down and all the victims were sent to Sultan Ismail Hospital while investigations were being carried out by state health authorities ...