Which of the following statements is true? no energy transformations are ever 100 percent efficient. friction between moving parts causes the loss of energy as heat. photosynthesis converts light energy into chemical energy. all of the above.

Up until 1938, paleontologists accepted the idea that coelacanths (an ancient fish) went extinct at the time that they last appear in the fossil record, about 80 million years ago. but in 1938, a live coelacanth was discovered off the coast of south africa that was compared to the fossil record and found to be the same species what goal of science does this discovery represent