Acids and bases are important in living things because most enzymes can do their job only at a certain level of acidity. Cells secrete acids and bases to maintain the proper pH for enzymes to work. For example, every time you digest food, acids and bases are at work in your digestive system.
The nurse response in related to the patient's query about feeling nauseated at the sight of meat is that this condition will go away in three months. Nausea and vomiting are included in early symptoms of pregnancy and in pregnancy the HCG (human chronic gonadotropin) levels are increased and due to this many women feel nauseated. It is normal in the first trimester and it will go away in the further pregnancy.
Coal is made up of carbon, so burning coal releases carbon
Carbo dioxide, water and sun's energy comes fron the outside.... energy and Oxygen molecule are produced