Discussion Topic A system is a group of parts that can be considered one unit. Storm systems,
ecosystems, and our bodies are natural systems. Cars and houses are human-made
systems.
Choose an example of a system, and analyze the energy flow through the system.
Describe in detail how energy enters the system, how energy changes form while in the
system, and how energy leaves the system.

At very high pressures, gases become and will eventually a) more dense; become hotter b) more dense; change to a liquid or solid c) less dense; combust d) less dense; turn into a liquid

Afrequency generator sends a 550 hz sound wave through both water and ice. what is the difference in wavelength between the wave produced in ice and the wave produced in water?

You want to lose weight and have been trying to decide which type of fad diet is best for you. you ask your doctor, who responds that a. fad diets are a temporary fix but generally don't have any side effects b. fad diets can be used several times a year to maintain a healthy weight c. fad diets can be risky for your health and, in the long run, do not work d. fad diets should never be used one right after the other; there should be a break between them select the best answer from the choices provided. a b c d