What are two different things criminals do to mislead police investigators?

In the context of the neural impulse, which of the following is true about the depolarization of neuron membranes?

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

Types of scientific inquiry that biologist engage in that cannot be completely controlled