Question 1 a. Name each of the laboratory equipment labelled V to Z. (5 marks)
b. Mention one use of each of the laboratory equipment
identified in question 'a' above. (5 marks)

a. All the laboratory equipment given are very basic equipment used in all the laboratories. Name of each equipment is as follows:

V refers to the tape measure.W refers to dropper.X refers to an inoculating loop.Y refers to a stopwatch.Z refers to the microscope.

b. Use of each laboratory equipment identified is:

Tape measures (V) is used to measure the length of objects or distance in a laboratory.Dropper (W) is used to measure unit of drop required to dispensed as one drop or several drops in any experiment.Inoculating loop (X) is used by microbiologists to cultivate microbes on plates and retrieving an inoculum from a culture of microorganisms. Stopwatch (Y) is used to measure the time of any  experiment.Microscope (Z) is used to magnify an object to look at it in detail.

Nps pollution is caused by rainfall or snowmelt moving over and through the ground. nonpoint source pollution can include: excess fertilizers, herbicides and insecticides from agricultural lands and residential areas. oil, grease and toxic chemicals from urban runoff and energy production