Elizabeth was studying the history of the cell theory and the contributions of different scientists. She made this table to compare two of the scientists.
X
Y
observed objects using a microscope observed small organisms using his own version of a microscope
called what he observed "cellsâ called what he observed "animalculesâ
Which pair of scientists should Elizabeth write instead of X and Y?
Answers: 3
Chemistry, 22.06.2019 04:00
You encounter a solution that is acidic and you decide to test it by adding a small amount of a strong acid. the ph lowers slightly but is approximately unchanged, and still remains acidic. what can you say about the solution? a. it is a buffer solution. b. it is not a buffer solution it is a strong acid solution. d. the solution has been neutralized. e. the solution has excess acid present
Answers: 1
Chemistry, 22.06.2019 07:00
Indicate whether the specified alkyl halides will form primarily substitution products, only elimination products, both substitution and elimination products, or no products when they react with sodium methoxide. 1-bromobutane 1-bromo-2-methylpropane 2-bromobutane 2-bromo-2-methylpropane
Answers: 2
Chemistry, 22.06.2019 16:00
Inside a flashbulb, oxygen surrounds a thin coil of magnesium. when the flashbulb is set off, a chemical reaction takes place in which magnesium combines with oxygen to form magnesium oxide. which of the chemical equations matches the reaction above? a. mg + o2 mgo2 + energy b. 2mg + o mg2o + energy c. 2mg + o2 2mgo + energy d. mg + o mgo + energy
Answers: 1
Elizabeth was studying the history of the cell theory and the contributions of different scientists....
English, 22.06.2019 17:30
Arts, 22.06.2019 17:30
Computers and Technology, 22.06.2019 17:30
History, 22.06.2019 17:30
Biology, 22.06.2019 17:30
Mathematics, 22.06.2019 17:30