Please capitalize where necessary: perhaps karen blixen had learnt a lesson from her sister's publications if one is to be overlooked, then it is better to be overlooked under a pseudonym.
A: Perhaps Karen Blixen had learnt a lesson from her sister's publications if one is to be overlooked, then it is better to be overlooked under a pseudonym.

Please capitalize where necessary: later mitchell and supermarine designed a fighter aircraft meeting the specification f7/30.
A: Later Mitchell and Supermarine designed a fighter aircraft meeting the specification F7/30.

Please capitalize where necessary: playing online frontline defender game . this is strategy & defense game . nearby the game, there are similar strategy & defense games . enjoy with free frontline defender game
A: Playing online Frontline Defender game . This is Strategy & Defense game . Nearby the game, there are similar Strategy & Defense games . Enjoy with free Frontline Defender game

Please capitalize where necessary: morning temperatures will be around 20 c. during the day they will reach a maximum of 31 c. low temperatures at night will be around 18c. we have weak easterly winds.
A:
Morning temperatures will be around 20 C. During the day they will reach a maximum of 31 C. Low temperatures at night will be around 18C. We have weak easterly winds.