Which of the following is considered a modern method of communication?

A. Hieroglyphics
B. Smoke signals
C. Tablet
D. Telegraphs

Ajeweler designing a pin has decided to use five stones chosen from diamonds, rubies, and emeralds. in how many ways can the stones be selected?

6. the is particularly susceptible to the effects of alcohol because it receives a large portion of total blood flow and has a high concentration of neurons. a. heart b. pancreas c. brain d. liver

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