Answer:
my bro listen up,
Rheumatoid arthritis is caused by the breakdown of cartilage.
Explanation:
I think the answer is intensity
<span>To get into shape for the incoming softball season, Crystal, who enrolled into a hip hop dance class and targets that her heart rate be 142-180 beats per minute. With her current heart rate of only 125 beats per minute, she should dance at a faster pace. Thus, the answer to this item is letter A given that the duration of her dance is fixed at 45 minutes. </span>
Two people lack the same information about an issue.
All of the other ones are good things. D is the only one that is bad.