6. Muscular strength and endurance help prevent and relieve symptoms associated with cancer.
b. improve the function of the immune system.
reduce the risks of being injured.
d. reduce the risk of melanoma.

answer 2 is the right one. jim should measure his snack to make sure he is using the right serving size.

i don't think so because different teachers have different materials. tehy teach differently, unless you know for sure your teacher is the exact same as others. i would just contact ur teacher

answer; a database is an organized collection of data in digital format that users to keep track of information;