What holds the two strands of dna molecules to each other

Which statement best describes the nature of science? a. science discoveries using the latest technology are the most valuable. b. scientific theories and laws are based on beliefs and popular opinion. c. scientific ideas change over time as new information is discovered. d. science is superior to other fields such as art, philosophy, and music. i think its c

Which term refers to the total dollar value of the goods and services produced in a country in a year?

Loss of protected health information collected for research should be directly reported to: