When an ant finds a source of food, such as an open sugar bin in a kitchen, it returns to the nest leaving a chemical trail that other ants can follow to the sugar. this is a case of?

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

What factors contribute to the effect an environmental toxin has on the human body?

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.