this bar graph shows the percentage increase in the no. of electric vehicle sales for six countries, in 2014 and 2015 .an increase of 100 percent means the no. of electric vehicle sales was double the previous year. in how many countries did the no. of electric vehicle sales more than double in both years .

yftykgykcvl;uyc

Step-by-step explanation:

your answer would be 10x - 1

reduce the friction between its moving parts

step-by-step explanation:

in fact, by reducing the friction between the moving parts of the machine, it is possible to reduce the energy wasted due to this friction; therefore, more input energy is converted into useful work, and this will improve the efficiency of the machine.