What are some ways you can vary your tone of voice to communicate effectively with others

Which of the following is true about marijuana? a) commonly known as the date ra. pe drug b) also called smack c) a common drug used for "relaxation d) also known as laughing gas

Early treatment for mental illness involved because doctors believed that doing this would drain the mental illness out of the person’s body.

Aresearcher lyses a cell that contains nucleic acid molecules and capsomeres of tobacco mosaic virus (tmv). the cell contents are left in a covered test tube overnight. the next day this mixture is sprayed on tobacco plants. we expect that the plants would ) develop some but not all of the symptoms of the tmv infectionb) develop the typical symptoms of tmv infectionc) not show any disease symptomsd) become infected, but the sap from these plants would be unable to infect other plants