Researchers at Boston University examined the brains of 85 individuals who had received repeated trauma to the head. How many of them showed evidence of CTE?

Explanation:

Chronic traumatic encephalopathy :  

Chronic traumatic encephalopathy (CTE): this is a neurodegenerative condition associated with repeated injuries to the head.

According to the Boston University CTE Center, CTE is a degenerative brain disease found in military veterans,  athletes, and also in some others with a history of repetitive brain trauma.

Researchers at Boston University examined the brains of 85 individuals who had received repeated trauma to the head, 68 out of 85 showed evidence of CTE.

a

explanation:

many plants naturally reproduce this way, but it can also be induced artificially. horticulturalists have developed asexual propagation techniques that use vegetative plant parts to replicate plants. success rates and difficulty of propagation vary greatly. monocotyledons typically lack a vascular cambium and therefore are harder to propagate.