<em>A) Use extra topcoat color to get better coverage is not a good way to reduce pollutants in paint shops, because the smell of paint is also a pollutant, plus the wording doesn't make sense. Besides, washing everything can help get pollutants out, and only one layer of paint cuts back on the polution from the smells. </em>
Boron takes the 5th position on the periodic table, therefore it has 5 electrons....2 on the inside and 3 on the outside. when it lost it 3 external electrons, it become positively charged with the amount of electron it loses.
The pendulum would stop swinging because the kinetic energy would slow down for the friction is causing it to slow. The energy would go into potential energy.
