I listen to chillhop personally and that helps. Making notes creative , finding different ways to study , use partners or make a game because studying doesnt always have to be boring I jope this helped you good luck
Several vaccines are made by taking toxins and inactivating them with a chemical (the toxin, once inactivated, is called a toxoid). By inactivating the toxin, it no longer causes disease. The diphtheria, tetanus and pertussis vaccines are made this way.
What is the main reason that restaurants, offices, and other public places have separate areas for smokers?
A.
to limit nonsmokers' exposure to second-hand smoke
