question: he published on some new electro-magnetical motions, and on the theory of magnetism in the quarterly journal of science in october 1821. pearce williams writes :
Capitalize this past sentence correctly.
A: He published On some new electro-magnetical motions, and on the theory of magnetism in the Quarterly Journal of Science in October 1821. Pearce Williams writes :

question: the only risks exist in the making of solar energy devices.
Capitalize this past sentence correctly.
A: The only risks exist in the making of solar energy devices.

question: the plant was used as a remedy for many different diseases.
Capitalize this past sentence correctly.
A: The plant was used as a remedy for many different diseases.