The main component of egg shell is
...The main component of egg shell is
Nitrogen
Calcium
Sodium
Molybdenum
Zinc
Correct answer is B
No explanation has been provided for this answer.
Animal power is usually used on the farm for ...
Fluids from the cowpers and prostate gland help in the following except ...
An example of a piercing and sucking insect-pest of crops is a ...
Which of the following materials cannot be used for liming? ...
Agricultural education programmes for rural youth will reduce the ...
A disease that causes abortion in cattle at the later stage of pregnancy is ...
Agricultural uses of land include ...
The importance of fish farming includes the following except ...