What defines a mixture? a. it cannot be broken down into simpler substances. b. it can be described by a single chemical formula. c. it can be created through a chemical reaction. d. it can be broken down into its basic substances through physical means.

Ascientist is conducting an investigation that involves water, silver, carbon dioxide, and oxygen gas which group of statements best describes all of the materials he is using in the investigation?

Me the formula cacl2 represents the compound

Which best describes this behavior? it is beneficial only to the males that do not fertilize eggs. it is beneficial only to the female workers that are not fertilized. it is beneficial to each one of the individual colony members. it is beneficial to the whole species, but not to all of the individual members.