How many ammonium ions, nh4+, are there in 5. 0 mol (nh4)2s?.

Which of the following best describes the difference between “autobiography” and “memoir”? a. autobiography is written about the author's own interpretation of events; memoir is a written interpretation of events. b. memoir covers a particular time in the writer’s life or recounts life events around one or two themes; autobiography covers the entire story of the author's life and has multiple themes. c. autobiography covers the entire story of the writer's life and has multiple themes; memoir is a shorter written work with one theme. d. autobiography covers entire story of the writer's life and has multiple themes; memoir is the writer’s random memories about past experiences.

According to the passage weisers mother could be blamed for

Scientists observed a rock stratum with fossil. if mollusks evolved before arthropod, where will their fossils be found.