An open jar of tea which exchanges both energy and matter with its surroundings is an example of what type of system?

Did you know that a single bee would have to go to over 2 million flowers to make a single pound of honey?

Which of the following describes a difference when gram-positive bacteria are compared to gram-negative bacteria?

The scales shown in the introduction measure mass, or the amount of matter in a particular object. the scientific law of conservation of mass states that matter cannot be created or destroyed during a chemical reaction, but it can change from one form to another. did the simulation support this scientific law? explain why or why not.