question: feel its peacefulness. visualize the face of some inspiring person; feel you're in his presence.
Capitalize this past sentence correctly.
A: Feel its peacefulness. Visualize the face of some inspiring person; feel you're in his presence.

question: protects from dirt, and gives natural shine.
Capitalize this past sentence correctly.
A: Protects from dirt, and gives natural shine.

question: even more impressive is the pace of growth in renewable energy: as recently as 2005, only about 1 gw of wind power capacity was installed across china, and solar cell production was less than 500 megawatts (mw).
Capitalize this past sentence correctly.
A: Even more impressive is the pace of growth in renewable energy: as recently as 2005, only about 1 GW of wind power capacity was installed across China, and solar cell production was less than 500 megawatts (MW).