The topmost layer of a typical soil profile is
...The topmost layer of a typical soil profile is
clay
coarse sand
fine sand
gravel
humus
Correct answer is E
No explanation has been provided for this answer.
Neurospora is used as genetic material because ...
Which of these diseases cannot be spread by an insect? ...
The following are the activities of the liver except ...
In which of the following yam tissues will osmosis occur? ...
Which of the following nucleotides is not found in the DNA molecules? ...
The primary and secondary hosts respectively of bilharzia are ...
The following are social insects except ...
In which region of the body is the diagram illustrated found? ...