Answer:
Correct answer is
Pseudoscience is often based only on opinions.
Pseudoscience often involves explanations of beliefs.
Pseudoscience includes subjective ideas.
Step-by-step explanation:
pseudoscience is a combination of two words pseudo(spurious or not genuine) and science. As the name pseudoscience indicate that its not genuine science or its fake science. pseudoscience is based on practices or opinions which are believed to be based on scientific method but actually these practices are not based on scientific method and these opinions or ideas cannot be proved by a scientific method.Pseudoscience often involves explanations of beliefs. Pseudoscience includes subjective ideas therefore it never changes.
for example astrology is pseudoscience because it is not based on scientific method but astronomy is a science because it is based on scientific method.