If we consider the positive possibility of false negative and false positive for tests on individual chicken. Veterinary have developed a procedure to determine if the H6N2 virus is present in the flock of chickens. The veterinary select ten chickens randomly from the flock and perform Elisa test of the blood sample from each and every one of the ten chickens.
By the conclusion of the veterinary if the H6N2 virus presents in flock if three out of ten chickens have positive Elisa.
Answer:
to protect the calf from predators
Explanation:
Answer:
Recently scientists have discovered an enzyme, BACE2, that decreases these abnormal protein fragments in the brain of a person with Alzheimer’s disease.
Explanation:
<span>D. grass they eat and water they drink</span>