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Class XI - XII roughly covers the 16-17 age group in the context of Bangladesh. [ 6 ] After 10 years of schooling at the primary and secondary level, students who succeed in passing the Secondary School Certificate (SSC) examination have the option of joining a college for a two-year higher secondary education in respective areas of ...
Biological specimens in an elementary school science lab.. A biological specimen (also called a biospecimen) is a biological laboratory specimen held by a biorepository for research.
[11] A visual representation of a finite sample space and events. The red oval is the event that a number is odd, and the blue oval is the event that a number is prime. A sample space can be represented visually by a rectangle, with the outcomes of the sample space denoted by points within the rectangle.
Weigh the empty crucible that the sample is to be placed in and record its weight in a lab book. Place the sample in the empty crucible and weigh the crucible again with the sample in it. The new weight minus the empty crucible weight is the sample's wet weight. Place the sample in the drying oven or blast furnace as required.