A typical ream of paper contains 500 sheets, is 4.85 cm thick, weighs 1.56 kg, and costs $7.50. 1
How many sheets would there be in a stack of paper as tall as the St. Louis Arch (192 m)?

Which of the following statements is true? question 4 options: nuclear decay rates vary with the conditions of the reaction, but chemical reaction rates do not. chemical reaction rates vary with the conditions of the reaction, but nuclear decay rates do not. neither chemical reaction rates nor nuclear decay rates vary with the conditions of the reaction. both chemical reaction rates and nuclear decay rates vary with the conditions of the reaction.

Two friends at different locations want to communicate with each other by sending low energy signals. which of the following methods can they use to communicate? a) produce x-rays using colliding electrons and send them to radios, which capture sound b) send messages using infrared radiation, which travel in the form of waves c) send radio waves through intervening media like radio and television d) produce sound waves using microwaves from heated objects

4. absorption has the highest risk of overdose due to increased potency. a. rectal b. oral c. transdermal d. intranasal