Jimmy walked by himself. But he was not alone. Choose the best way to combine the two sentences.
A.
Jimmy walked by himself, he was not alone.
B.
Jimmy walked by himself, but he was not alone.
C.
Jimmy walked by himself, but, he was not alone.
D.
Jimmy walked by himself he was not alone.

B

Explanation:

if you want to combine these sentences, you must put a comma and a conjunction

b)and

is the answer.

its because you eat a lot of food and that can lead to many heath problems like diabetes or becoming very over weight and fat etc.

explanation:

it refers to the definition of full-contact sports, where the condition is that the sport must have athletes must "purposely collide with each other