Question

question 24 of 30
how does scientific knowledge continue to change over time?
a. living systems are constantly changing, so previous explanations no longer apply.
b. scientists reevaluate current assumptions and explanations as new data and technology become available.
c. scientists always change their assumptions and explanations to keep their work interesting.
d. each new discovery is based on new data and ignores previous investigations.

Explanation:

Scientific knowledge evolves as new data from research and improved technology allow scientists to re - assess existing ideas. Option A only focuses on living systems, which is too narrow. Option C is incorrect as the motivation is not to keep work interesting. Option D is wrong because new discoveries build on previous investigations, not ignore them.

Answer:

B. Scientists reevaluate current assumptions and explanations as new data and technology become available.