Answer:
Frederick Griffith's discovery on the theory of genetics is credited to his experiment on mice. He subjected them to different strains of pneumonia bacteria. He concluded that there is an unidentified force that leads to the formation of different strains from what the mice were subjected to. This leads to the discovery of DNA, the carrier of traits. Scientist before did not know how the trait is passed on not until Griffith's experiment.
Explanation:
Hydrogen bonds i hope that helps
There are many different names for sand dunes, it all depends on the way it looks like there is the reversing dunes and star dunes, parabolic dune, Barchan Dunes,Transverse Dunes, and <span>Nebkha or Coppice Dunes so yes you just got to find out which one it is by looking at the pictures of them </span>
