QUES: You can use Google Talk instant messaging in your phone to chat with friends who also use this application

correct the punctuation.

CORRECTED: You can use Google Talk™️ instant messaging in your phone to chat with friends who also use this application.

QUES: Black snakeroot Cimifuga racemosa Affects the bodys oestrogen receptors gives relief from cramping

correct the punctuation.

CORRECTED: Black snakeroot (Cimifuga racemosa): Affects the body's oestrogen receptors, gives relief from cramping.

QUES: This means that ShoppingOn didnt enter your computer on its own

correct the punctuation.

CORRECTED:
This means that ShoppingOn didn't enter your computer on its own.