<span>Group A beta-hemolytic streptococcal causes rheumatic carditis. The most common age group for this inflammation are children 5 through 15 years old. Symptoms include chest pain, swelling of the ankles, a fever, joint pain and a sore throat. People with this inflammation should use antibiotics to cure it.</span>
Answer:
6
Explanation:
There's Sodium (Na), Carbon (C), and Oxygen (O). But since there's 2 Sodium and 3 Oxygen, in total theres 6.