Crepitus is a clinical sign in medicine that is characterized by a peculiar crackling, crinkly, or grating feeling or sound under the skin, around the lungs, or in the joints. Crepitus in a joint can indicate cartilage wear in the joint space.
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Environment affects animal behavior by changing the availability of survival resources like food & shelter, as well as situational things like proximity to human activity. Sometimes the same species of animal will behave completely differently in a forest environment compared to an urban environment.
Explanation:
The way you can protect your self in an abusive relationship is to tell someone whats going on, tell the police, or just leave from the relationship when you get a chance.
The answer to your question is C. increased bone density - there are different ways to increase bone density, lifting weights or using weight machines,and jump rope are one of the few ways we can build up our bones in order to keep it strong.