I need a guys opinion on something

Doing a science fair project should i do cafeteria waste or solar power

Dr. williams conducted a survey in the mall, measuring the shopping habits of people ages 15, 25, 35, 45, and 55, with 10 people in each group. which of the following best describes her study? an experiment a cross-sectional study a case study a longitudinal study a double-blind study

The patient was the driver in a motor vehicle collision, a one-vehicle rollover occurred that was caused due to lack of control. the patient is now bleeding into the abdominal cavity. the physician brings this patient to the operating room to remove the spleen in order to control this patient's bleeding. the major vessels of the lacerated spleen were carefully dissected, and the spleen was removed in its entirety? cpt code: icd10-cm code: icd10-cm code