Question

1 -which of the following organisms make the soil porous
a. algae b. fungi c. earthworm d. protozoa
2-soil with smallest particle size is
a. clayey b. loamy c. sandy d. both a and b

Answer 1

1 - (c) earthworms
2 - (a) clayey

Answer 2

first answer is earthworm
second answer is clayey