Two types of twins and how they are formed

Victoria enjoys laughing with her friends as they walk around the track after school which best describes her heart rate during this activity

Felicia has a respiratory infection and has been coughing up a lot of mucus. she knows this means that her respiratory system is working to restore balance by getting rid of the invasive materials from her lungs. how does this happen?

Which food preservation method can people use at home? a. fermentation b. irradiation c. pasteurization d. thermal processing