Why do they act like humans
Answer:
for the force that sent the person forward, there is an equal force pushing back on the skateboard
These readings suggest the balance is: precise accurate neither accurate nor precise accurate and precise
When there are equal number of H+ and OH- ions, the pH of water is 7.
<span>The charge of the ion becomes negative. This is because electrons naturally come with a negative charge. Adding one electron will make the charge 1-, as it was a balanced atom before taking on the additional particle.</span>