What do Secularist believe opposes science

Secularism supports science, and vice versa

Explanation:

Secularism, much like Science, is close to the concept of atheism.

The main characteristic of secularism is that it denies the importance of the division of religion from other aspects of society and social sciences.

The central idea of this philosophy is anticlericalism, and also a division of the material world from religion. Secularism relies on rationality.