Answer:
a. science is based on hypotheses that are testable and refutable
Step-by-step explanation:
A distinction between science and pseudoscience is that science is based on hypotheses that are testable and refutable.
Science is a body of knowledge and the process of getting these knowledge which are through experimentation, study, observations, Science involves the testing of hypothesis through repeated studies. On the contrary, pseudoscience is a group of belief or practice, claimed to be science but does not follow the principles of science such as experimentation and replication of results.