Why do elderly persons often develop bowed back and appear to lose height?

What are the main risk and main benefit of a society using geothermal energy? A. Risk of high greenhouse gas and particle emissions benefit of reducing short-term costs B. Risk of harm to flying animals benefit of reducing greenhouse gases C.

Pure liquid water has a pH of 7, which means that water is what

Which of the following is true? a.) during active transport, a material may be moved from an area of low concentration to an area of high concentration b.) during passive transport, energy is used to move material against a concentration gradient c.

What is the role of histone modifying proteins?

Which is NOT caused by a virus or bacteria, but instead by inheritance? A) hemophilia B) influenza C) measles D) tuberculosis

Proposed answer to a scientific question that A. can be rejected B. is testable C. both a & b

In which list are the levels of organization in the human digestive system shown from lowest to highest?

Splitting cells involves creating a single by combining two or more

Think about the sources you would use to get information about scientific ideas. Which sources would you avoid? Check all that apply. a magazine an encyclopedia a scientific journal an advertisement a TV show

What is the polymer for nucleotides