1. there are six kingdoms of living things. archaebacteria is one of these kingdoms. which choices are also kingdoms of living things? choose all answers that are correct. a. arthropods b. eubacteria c. protista d. animalia

Look at the bean data from days 4–6. use these data to explain how natural selection changed the number of dark red walking beans over time. writing part

The following reaction shows sodium carbonate reacting with calcium hydroxide. na2co3 + ca(oh)2 → naoh + caco3 how many grams of naoh are produced from 20.0 grams of na2co3? (molar mass of na = 22.989 g/mol, c = 12.01 g/mol, o = 15.999 g/mol, ca = 40.078 g/mol, h = 1.008 g/mol) 12.2 grams 15.1 grams 24.4 grams 30.2 grams

Calculate the number of moles of ethane in 100 grams