when metals, nonmetals, and metalloids are compared according to luster, which is the best description of the appearance of metalloids? A. dull B. Powdery C. Shiny D. Either shiny or dull

During an experiment, readings for blood pressure in a persons body were found to be constant . however , when he measured by a different blood pressure cuff , the readings differed by 15 points for each reading. this difference indicates that the results are

Which statement best describes the role of religion and culture in ancient medicine?

Hemoglobin is a proton that carries oxygen around the body what is hemoglobin made from