Agroup of students measured the density, the state of matter at 25 degrees celsius, reactions with water, and reactions to a flame and recorded the data in the table below: chart of data based on the results, what can be determined about the substances? a. all substances experienced a chemical change. b. argon did not experience a chemical change. c. only hydrogen gas and sodium experienced a chemical change. d. only sodium experienced a chemical change.

Explain the difference between a plurality and a majority in terms of choosing a candidate for a primary

How was the appointment of two consuls during the roman republic an example of a democratic principle? one consul represented patricians and one represented plebeians, so that all citizens had representation each consul had control over the same number of military legions, which prevented either one from a forceful takeover. consuls had to agree on all decisions, which prevented any one person from gaining too much power. consuls had to make decisions based on majority rule in the senate. quickly

Because they are located downstream from turkey on the tigris and euphrates rivers, these two nations are anticipating a reduction in water supply, as a result of 22 dams being built by the southeastern anatolia project. the two nations are a) iraq and iran. b) iraq and syria. c) iran and syria. d) saudi arabia and yemen.