Question

science is the effort to understand the natural world and how the natural world works. science uses ____________ as the basis of understanding how the natural world works.
a supernatural evidence
b observable physical evidence
c only past knowledge
d only lab experiments

Explanation:

Science relies on observable and testable evidence. Supernatural evidence is not part of scientific methodology. Past knowledge is used but not the only basis. Lab - experiments are one way to gather evidence but not the only one. Observable physical evidence forms the basis for understanding the natural world in science.

Answer:

B. observable physical evidence