Answer:
Animal Waste and Fertilizers
Explanation:
Animals, like humans, obtain nitrogen from consuming foods. The foods that the animals consume get digested and with time, the animals release the extra undigested foods and nutrients in forms of urine and feces. Like wise, fertilizers are typically made with animal waste.
By looking for the presence of the germ layers and the primitive gut in the embryo
Operational risk management is a continual cylic process that involves assessment of risk, risk decision making and execution of risk controls. it is a five step process and it is often used in planning. the five steps include identifying the hazard. hazard is anything with the potential of causing harm. the second step is assessment of hazard. this is followed by making risk decisions and fourth step execution of risk controls and finally supervision.