transfer the photos and videos you want from your iphone onto your computer, then sync them to your phone. (any photos you've shared on facebook will show up as online albums in the photos hub as soon as you set up your facebook account on your phone.)

How would the previous sentence be correctly capitalized?
Answer: Transfer the photos and videos you want from your iPhone onto your computer, then sync them to your phone. (Any photos you've shared on Facebook will show up as online albums in the Photos Hub as soon as you set up your Facebook account on your phone.)
morning temperatures will be around 13 °c. during the day they will reach a maximum of 23 °c. low temperatures at night will be around 16°c. southeasterly winds are moderate.

How would the previous sentence be correctly capitalized?
Answer: Morning temperatures will be around 13 °C. During the day they will reach a maximum of 23 °C. Low temperatures at night will be around 16°C. Southeasterly winds are moderate.
as a member you know have the opportunity to...

How would the previous sentence be correctly capitalized?
Answer: As a member you know have the opportunity to...
the western european union (weu) extra-ordinary council adopts a declaration, to be annexed to the final act of the amsterdam treaty, on its role and its relations with the eu and the atlantic alliance.

How would the previous sentence be correctly capitalized?
Answer: The Western European Union (WEU) Extra-ordinary Council adopts a declaration, to be annexed to the final Act of the Amsterdam Treaty, on its role and its relations with the EU and the Atlantic Alliance.