Which of the following is a general assumption made by scientists when using the scientific method?

• A. Scientific laws are unchangeable and absolute.
• B. All scientific hypotheses are proven to be true.
• C. Natural phenomena have natural causes that can be understood.
• D. Supernatural explanations are preferred over natural explanations.

Answer: (C)

Verified step by step guidance

1. Step 1: Begin by understanding the scientific method, which is a systematic approach used by scientists to investigate natural phenomena, formulate hypotheses, and test them through experimentation and observation.
2. Step 2: Recognize that the scientific method is based on the assumption that natural phenomena have natural causes. This means scientists seek explanations grounded in observable, measurable, and testable evidence rather than supernatural or untestable causes.
3. Step 3: Clarify that scientific laws are not considered unchangeable or absolute. They are subject to revision if new evidence or observations contradict them, reflecting the dynamic nature of scientific inquiry.
4. Step 4: Understand that hypotheses are not automatically proven true. Instead, they are tested rigorously, and evidence either supports or refutes them. A hypothesis that is consistently supported may evolve into a theory, but it remains open to further testing and refinement.
5. Step 5: Conclude that the correct assumption made by scientists is that natural phenomena have natural causes that can be understood through observation and experimentation, aligning with the principles of the scientific method.