you would like to make a salad that consists of lettuce, tomato, cucumber, and you go to the supermarket intending to purchase one variety of each of these ingredients. you discover that there are varieties of lettuce, varieties of tomatoes, varieties of cucumbers, and varieties of for sale at the supermarket. how many different salads can you make?

Which of the following ideas did greek philosopher democritus contribute to the atomic theory? a. each object is made up of one atom, which varies in size from very small to very large. b. matter is composed of only one kind of particle, which can be easily destroyed. c. every element has a specific type of atom, which remains the same size in all forms of matter. d. all matter is composed of small particles, which combine to make larger objects.