Question

q7. (s c.6.n.2.2)
the atomic theory has changed several times over the past 200 years as new evidence was discovered. what does this reveal about scientific knowledge?
theories improve and change as new evidence becomes available
theories constantly change because scientists cannot agree
scientific theories are permanently fixed once accepted
scientific laws replace theories when they are proven true.

Explanation:

Scientific knowledge evolves. Theories are not static; they improve and change as new evidence emerges, which is why the atomic theory has changed over the past 200 years.

Answer:

Theories improve and change as new evidence becomes available