The element that is essential for the coagulation of bloo...
The element that is essential for the coagulation of blood is
potassium
calcium
phosphorus
iron
Correct answer is B
No explanation has been provided for this answer.
The factors that determine the distribution of vegetation zones are ...
All the following can illustrate the dynamic nature of the ecosystem except ...
The capture and digestion of insects by a pitcher plant is a special form of nutrition termed ...
Which of the labelled parts of the cell contains ribonucleic acid? ...
Which of the following factors can reduce the population of a community? ...
Identical twins are produced under one of the following conditions ...
From which group of animals are the mammals generally believed to have most recently evolved? ...