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2. Which of these changes is most likely to occur when the
temperature of a gas increases?
a. Density increases.
b. Energy decreases.
Volume increases.
d. Pressure decreases.

What are the phases shown in a and d called?

If anyone who can me with this hw? i would really appreciate it

The magnitude of the magnetic field at a certain distance from a long, straight conductor is represented by b. what is the magnitude of the magnetic field at twice the distance from the conductor? a. at twice the distance, the magnitude of the field is 4b. b. at twice the distance, the magnitude of the field is 2b. c. at twice the distance, the magnitude of the field is b/2.d. at twice the distance, the magnitude of the field is b/4.e. at twice the distance, the magnitude of the field remains equal to b.