Density is defined as mass divided by volume, therefore: 100g/25cm3 = 4 g/cm3
We get tired after exercise because our muscle fibers get tired very quickly. This is due to the major source of energy for the muscle tissue, called adenosine triphosphate, or ATP. As the muscles make use of this supply of energy, they get tired and fatigue.
Answer:
due to human are using resources faster than they can be renewed replace and clean up.
Homelessness are social problem that impacts the health of a community for they are prone for a broad range of acute and chronic illnesses because they lack proper nutrition, good hygiene and they could be deprived of medical assistance.
Once they are sick, they could spread the infection to one community to the other because they have the tendency to hop on one place to the other where they can take shelter. Therefore, they could be a carrier of bacteria and viruses that will put the health of a community at risk.
