Car one drives 20mph south, car two drives 30 mph to the north from the frame of reference of car number one what is the velocity of car 2

The difference in velocity between it and car 2, which is 30-20=50 mph south

colorectal cancer may also develop from areas of abnormal cells in the lining of the colon or rectum. this area of abnormal cells is called dysplasia and is more commonly seen in people with certain inflammatory diseases of the bowel such as crohn's disease or ulcerative colitis.

cancer risk hope this