Please capitalize where necessary: hitting your brakes meant your car slid like a kid wearing socks on a tile floor.
A: Hitting your brakes meant your car slid like a kid wearing socks on a tile floor.

Please capitalize where necessary: the cookies used to collect these data are both first- and third-party cookies, and include data on traffic and visitors.
A: The cookies used to collect these data are both first- and third-party cookies, and include data on traffic and visitors.

Please capitalize where necessary: esters encompass a number of useful and important substances.
A: Esters encompass a number of useful and important substances.

Please capitalize where necessary: it is also believed that bipolar disorder not only can be traced through the above mentioned situations, but it can also occur as a result of environmental conditions.
A:
It is also believed that bipolar disorder not only can be traced through the above mentioned situations, but it can also occur as a result of environmental conditions.