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).

question: thank you for all the wonderful memories i can take with me in the "real" world.
Capitalize this past sentence correctly.
A: Thank you for all the wonderful memories I can take with me in the "real" world.

question: about x1972 : dark purple crystallized agate stone necklace
Capitalize this past sentence correctly.
A: About X1972 : dark purple crystallized agate stone necklace