The earth was once formed by molten layers of the earth and over time layers began to form due to the relative melting points. hope this helps :D
90% of digestion and absorption takes place in the small intestines.
the main function of the small intestines is <span>absorption of nutrients and minerals from food.</span>
Answer:
Chargaff's rules state that DNA from any species of any organism should have a 1:1 stoichiometric ratio (base pair rule) of pyrimidine and purine bases and, more specifically, that the amount of guanine should be equal to cytosine and the amount of adenine should be equal to thymine
Hormones and water balance are another two conditions which are maintained by cells.
Energy derived from food is used to create ATP, an energy-rich compound