Mrs. Petrone asked her science class to explain what is meant by the statement “Every solution is a mixture, but not every mixture is a solution.” Which of the following best explains this statement? * 1 point

a).a solution has a uniform chemical composition.

B. a solution is always made by dissolving a substance in water.

C. solution cannot be separated into its components.

D. solution contains substances that are chemically combined.

=force × distance a. work b. velocity c. pressure d. momentum

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.

Which describes increasing the efficiency of energy resource