Kelp --> sea urchins ---> sea otters best represents the feeding relationships in a kelp ecosystem that has not been disturbed
by humans.
Answer:
the grand canyon is older than the rocks in its wall hope it helps
Photo 51, showing x-ray diffraction pattern of DNA
Photograph 51 is the nickname given to an X-ray diffraction image of DNA taken by Raymond Gosling in May 1952, working as a PhD student under the supervision of Rosalind Franklin,[1][2][3][4] at King's College London in Sir John Randall's group. It was critical evidence[5] in identifying the structure of DNA.[6]
For the clothes one it the pigments that reflect off the sun, darker clothes with make you hotter
