Answer:
compaction and cementation just did it
Explanation:
C) A strain is an injury to either a muscle or tissue
Laughing at them or making jokes is not a good way to support a friend.
During an asthma attack the muscle wall contracts and the lining of the airways becomes swollen and inflamed. These changes cause a narrowing of the airways which is further aggravated by an increase in secretions from the mucus membrane, which may actually block the smaller airways hope this helps