Read the following stages of making the protozoan slide in the laboratory and identify the correct order.
a) Observe the slide under Microscope.
b) Take a drop of water collected along with the hay.
c) Put cover slip on the water drop on the slide.
d) Soak dry hay for 3 – 4 days into the water.
A) a, b, c, d
B) c, b, d, a
C) d, b, c, a
D) d, b, a, c