Well it depends what are the actions listed below
Oxygen because we need it to breath if that’s the wrong anwser sorry but it should be right
In terms of communication, information is expressed either as the content of a message or through direct or indirect observation. That which is perceived can be construed as a message in its own right, and in that sense, information is always conveyed as the content of a message.
Information can be encoded into various forms for transmission and interpretation (for example, information may be encoded into a sequence of signs, or transmitted via a signal). It can also be encrypted for safe storage and communication.
The answer is solar wind.
By studying mitosis scientists have learned how cells divide. Mitosis is the process by which cells reproduce, and without it cancer cells wouldn't be able to form tumors and spread throughout the body