Acommon cause of iron deficiency anemia in adulthood is

A common cause of iron deficiency anemia in adult hood is blood loss and lack of iron in the body. Blood loss is usually the cause because of bleeding in the GI tract, intestinal bleeding and chronic occult bleeding. Lack of iron in the body is also a cause because a body is in need of iron and if it does not exceed the required iron in the body, it may result to iron deficiency.

i think it's c

1. the energy lost to disorder metabolism     -entropy

2. related to or possessing motion potential     -kinetic

3. all of the chemical reactions in an organism required for maintenance of the processes of life entropy     -metabolism

4. possible; ability to go into action or perform work kinetic     -potential

5. the study of energy and its transformations thermodynamics     -thermodynamics