Hey can you please help me for research about dogs

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.

Explain how a credit card works when a customer makes a purchase

After making a deposit puja had $264 in her savings account she noticed that if she added $26 to the amount originally in the account and double the sum she would get the new amount