Name 8 types of raw vegetables that can be used in salads.
a) Lettuce, tomatoes, carrots, cucumbers, bell peppers, radishes, celery, spinach
b) Potatoes, onions, broccoli, cauliflower, green beans, peas, corn, mushrooms
c) Kale, arugula, beets, zucchini, squash, asparagus, fennel, artichokes
d) Avocado, olives, cabbage, Brussels sprouts, turnips, parsnips, leeks, garlic