I think it's so your lungs can expand to help you breathe properly ? You may have to wait for some more answers to come through
Answer: Maintaining a good level of physical fitness is something that we should all aspire to do. But it can be difficult to determine what fitness entails. According to the United States Department of Health and Human Services, physical fitness is defined as “a set of attributes that people have or achieve that relates to the ability to perform physical activity.”This description goes beyond being able to run fast or lift heavy weights. Despite being important, these attributes only address single areas of fitness. This article provides details of the five main components of physical fitness.
Explanation: hope this help
Answer:
B; primary consumers are the ones who eats the producers
Mostly any bug you can think of
The answer is “ COVALENT BOND”
