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Start learning 50% faster. Sign in nowTwo important advantages of secondary data are: (1) the tremendous time savings if the data have already been collected; and (2) the low cost (for example, most census reports are available for only a few dollars each).
Which of the following is a physical change?
Up to what temperature can a mercury thermometer measure?
Kilowatt-hour is the unit of :
Which property of iron metal is utilised in producing iron sheets required for making buckets?
A particle starts from rest and moves with uniform acceleration for 24 seconds. Let the distances covered during the first 8 seconds, the next 8 seconds...
Two blocks of unequal mass are connected by a string and placed on a smooth horizontal surface. A force F is applied on the heavier block. The tension i...
Electromagnetic waves travelling in a medium having relative permeability μr = 1.2 and relative permittivity Er = 0.012. The speed of electromagnetic w...
Identify the third germinal layer found in triploblastic animals.
Proteins are assembled from how many amino acids?
Deficiency of _________ causes the leaves to develop a dark green colouration.