Why is it difficult to start a self improvement plan?
a. self improvement plans usually take too long to show results
b. self improvement plans almost never succeed and are a waste of time
c. self improvement plans require people to admit they need improvement
d. self improvement plans are too expensive for most people

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