8. The figure below is a diagram of a potometer Shoot
Reservoir
Capillary tube
TO
Scale
(1 mk)
a) What is it used for?
b) State one precautions which should be taken when setting up a photometer
(1mk)

Your answer is a because that is true

Copper and gold have a high electrical conductivity

The one that would be the most effective means of controlling current water pollution of us surface water is : shutting down factories that discharge materials to the rivers.the largest sum of us pollution currently caused by factory-related substance