The first life on earth is commonly beleived to have originated 3.5 bya (billion years ago), yet the rise of atmospheric oxygen didn't take place until almost a billion years after this. what does this tell us about the earliest forms of life on earth?

The human body maintains a temperature of around 98.6 degrees at all times. enzymes are involved in almost every chemical reaction in the body. which of the following describes the connection between these two statements? a. enzymes function best at a specific temperature. b. the body needs to be warm to prevent hypothermia. c. the body is kept relatively warm to prevent too much enzyme action. d. there is no connection between the two statements.