Answer: D. Alpha and beta particles pose little or no hazard to human health.
Explanation: While they pose no direct threat, alpha and beta particles may be capable of causing serious health concerns if ingested or inhaled. As a matter of fact, some beta particles are capable of penetrating skin tissue and causing serious damage such as skin burns. On the other hand, if alpha particles are inhaled, swallowed, or get into the body through a cut, the alpha particles can damage sensitive living tissue.
Muscular strength is how much you can lift/push/pull, ect. Muscular endurance is how long you can do something with your muscles. Like if you have to put your are straight out in front of you and hold a 25 pound dumbbell. Your will get tired and give out. the more Muscular endurance you have the longer you can do something with your muscles.
