For the following questions answer them individually
A man walks from P to Q at the rate of 5 km/h and returns from Q to P at 3 km/h. What is his average speedfor the whole journey?
Choose the Figure that best represents the relation ship among the classes given below?Â
Pharmacist, Professionals, Architects, Carpenters.
A group of similar organisms which are genetically distinct and reproductively isolated, is called a/an?