A person with an ear infection is given medicine to be taken for 10 days. After 4 days, he stops taking the pills and the symptoms return. Which of the following best explains why this occurred?

The skeletal system performs a variety of functions that are crucial to maintaining life processes. what function is performed in the bone marrow, but not in the ossified bones of the skeleton? a oxygen transportation c mineral storage b. muscle attachment d red blood cell production

Which two criteria must be met before scientist can use radiocarbon dating? explain your answer

What molecule contains an organisms genetic material, passed down from parents to their offspring