Question

which will most likely lead to new scientific discoveries in future years?
current scientific knowledge
current science fiction movies
reduction of the elementary school science curriculum
rejection of all new scientific ideas

Explanation:

Current scientific knowledge serves as a foundation for further research and exploration, which can lead to new discoveries. Science - fiction movies are for entertainment and not a direct source of scientific discovery. Reducing the elementary school science curriculum may limit the future scientific workforce. Rejecting new scientific ideas stifles progress.

Answer:

current scientific knowledge