Please capitalize where necessary: interested in working at google?
A: Interested in working at Google?

Please capitalize where necessary: following these steps will reduce the risk of your social media presence turning your property into a potential target. however, the most effective method of ensuring that your property and family are secure is to install an alarm system in your home.
A: Following these steps will reduce the risk of your social media presence turning your property into a potential target. However, the most effective method of ensuring that your property and family are secure is to install an alarm system in your home.

Please capitalize where necessary: in nature nothing takes place in isolation.
A: In nature nothing takes place in isolation.

Please capitalize where necessary: the molecules of water begins to do in iron because they go in through a thin wire so that they barely fit in and the "rush" they decided to come out. the water becomes warm which then heats up the plate as it presses against the fabric when ironing.
A:
The molecules of water begins to do in iron because they go in through a thin wire so that they barely fit in and the "rush" they decided to come out. The water becomes warm which then heats up the plate as it presses against the fabric when ironing.