Please capitalize where necessary: most data loggers are battery powered some also offer an option for external power.
A: Most data loggers are battery powered some also offer an option for external power.

Please capitalize where necessary: race around water tracks as you compete against other boats. try to come in first to win.
A: Race around water tracks as you compete against other boats. Try to come in first to win.

Please capitalize where necessary: did someone email you a kma file and you're not sure how to open it? maybe you have found a kma file on your computer and wondering what it's for? windows might tell you that you can't open it, or in the worst case, you might encounter a kma file related error message.
A: Did someone email you a KMA file and you're not sure how to open it? Maybe you have found a KMA file on your computer and wondering what it's for? Windows might tell you that you can't open it, or in the worst case, you might encounter a KMA file related error message.

Please capitalize where necessary: there is a huge range of information on the state of water, produced by countries across the region.
A:
There is a huge range of information on the state of water, produced by countries across the region.