A scientist conducted research and plotted his results in the histogram shown below. Which of the following is the best measure of the center of the data?
Median
Mode
Mean
They are all appropriate

Apositive rod is placed to the left of sphere a, and the spheres are separated. which best describes the spheres? sphere a is negative and sphere b is positive because protons from sphere a are attracted to the rod and move to sphere b. sphere a is negative and sphere b is positive because electrons from sphere b are attracted to the rod and move to sphere a. sphere a is positive and sphere b is negative because electrons from the rod move to sphere b and protons then move to sphere a. sphere a is positive and sphere b is negative because protons move from sphere b to the rod and also to sphere a.

Explain vector addition, triangle method and parallelogram method

The passing of heat through a material while the material itself stays in place. a. radiation b. conduction c. convection