Which type of scientific statement is defined as a statement of fact that is generally accepted to be true and universal because it has always been observed to be true?

Choose the molecule that is described by each phrase. energy used during long activities:

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

In each transformation of energy , some energy what?