Answer:
It helps the body stay cool; It helps maintain stability and health inside the body
The oxygen is bonded and transported by the hemoglobin that is an iron bearing protein
winds also B. because winds change the air pressure meaning thats the answer
sludge
<span>Sewage treatment is also known as wastewater treatment. It is
a process whereby contaminant is removed from wastewater. Thus, chemical,
biological and physical process are commonly used to remove contaminants from
wastewater and the by-products of wastewater treatment is usually inform of
solid waste known as sewage sludge.</span>
