Which man would be most at risk for testicular cancer?
a. Austin, age 25, who is White, drinks lots of milk, and uses marijuana daily
b. Jarod, age 44, who is Black, 6'4", and uses marijuana about once a month
c. Gene, age 71, who is White, lactose intolerant, and smokes cigars
d. Jorge, age 15, who is Latino, 5'2", and has a cousin who had testicular cancer

Option C                        

Explanation:

A part of both the male reproductive system, testicular cancer is cancer that grows in the testicles. Symptoms can involve a lump within the testis, or inflammation or scrotum discomfort. Treatment will contribute to stroke.

Cryptorchidism is a significant contributing factor for the growth of testis cancer. The existence of a tumour is commonly thought to lead to cryptorchidism; when cryptorchidism arises in combination with a tumour then the tumour appears to be large.

Active exercise is correlated with lower risk, and higher risk correlated with sedentary lifestyle. Increased incidence links early appearance of male characteristics. These can indicate hormones which are endogenous or environmental.  

c. taught scientists many new things about the earth, but not other planets.

explanation:

it's the under parts of the car