your answer is B. it is difficult to see physical and cognitive defects.
Answer:
Salivary amylase is a glucose-polymer cleavage enzyme that is produced by the salivary glands. It comprises a small portion of the total amylase excreted, which is mostly made by the pancreas.
The correct answer is hazard. It is a situation that poses a level of threat to life, health, property, or environment. Hazards are also very harmful to living things. Once a hazard is active, it creates an emergency.