Non-metals tends to form positive ions

true or false

Can someone i have no idea of how to do this.

In the respiration-photosynthesis cycle shown above, what are the products of cellular respiration that belong in box 2?

During an experiment, readings for blood pressure in a persons body were found to be constant . however , when he measured by a different blood pressure cuff , the readings differed by 15 points for each reading. this difference indicates that the results are