Sandra wanted to test the effectiveness of various kitchen cleaners, so she performed the following experiment. First, she prepared five agar plates with the same bacterial density (i. e., the same number of bacteria per plate). Then, she coated the entire agarose surface of one plate with 5 mLs of a particular kitchen cleaner. Finally, she repeated this step three more times using three other kitchen cleaners. Her results appear in the data table below. Plate # of Bacterial Colonies Untreated Plate 24 Cleaner 1 22 Cleaner 2 8 Cleaner 3 12 Cleaner 4 4 Which graph below best represents Sandra's data?
Answers: 1
Biology, 21.06.2019 23:40
When coal has reached it hardest, darkest form, it is called select one: 0 a. sub-bituminous b. lignite c. bituminous d. antrhacite next page
Answers: 3
Biology, 22.06.2019 03:00
Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils
Answers: 2
Biology, 22.06.2019 07:30
What will happen if deforestation continue to destroy the green plant on the planet
Answers: 2
Biology, 22.06.2019 10:00
Rarefaction is used for which of the following? a. creating a representative sample b. studying how disease impacts populations c. rediscovering species thought to be instinct d. determining which sea creatures live in an area
Answers: 1
Sandra wanted to test the effectiveness of various kitchen cleaners, so she performed the following...
Mathematics, 31.01.2020 19:04
Chemistry, 31.01.2020 19:04
History, 31.01.2020 19:04
Mathematics, 31.01.2020 19:04
English, 31.01.2020 19:04
Biology, 31.01.2020 19:04
Mathematics, 31.01.2020 19:04
Arts, 31.01.2020 19:04
History, 31.01.2020 19:04
History, 31.01.2020 19:04