80 chromosomes (40 pairs)
Answer:
The correct answer is option a. young adult.
Explanation:
Epstein-carr virus infects in the patient or people with weak immune system groups. Epstein-carr virus causes a different type of disease and also said to cause cancer. These viruses are common in childhood or early adults or weakened the immune system by the disease like HIV/aids. In young adults, symptoms are not visible by these viruses.
Thus, the correct answer is option A. young adult.
1. there is not diagram to examine 2 no answer choice so how are we supposed to answer this?
Answer:
The closed circulatory system considerably enhances the speed, precision, and efficiency of the circulation. The blood flows far more rapidly and it takes less time to circulate through the closed system and return to the heart.