HELP WILL AWARD BRAINLIST!
While sorting through a pile of old Petri dishes, Alexander Fleming noticed that the mold in one of the dishes prevented bacteria from growing there. He decided to study the mold. Years later, other scientists used the active compound in this mold to develop the first antibiotic, penicillin. Which statement describes Alexander Fleming's scientific discovery?
He made a discovery that disproved all other theories.
He made a discovery by working with a group of scientists.
He made a discovery by carefully following and repeating a procedure.
He made a discovery without using all the steps of the scientific method.
Answers: 2
Chemistry, 22.06.2019 19:30, toriabrocks
If 16.00g of hydrogen gas reacts with 126.73g of oxygen, how many grams of water are yielded? (both reactants are completely consumed in the reaction.)
Answers: 2
Chemistry, 23.06.2019 00:30, evelynalper08
Which radioisotope is used to date fossils? a. oxygen-16 b. carbon-14 c. uranium-238 d. carbon-12
Answers: 2
Chemistry, 23.06.2019 07:00, kotetravels10
0.88 moles of n2o5 (g) was placed in a sealed 1.00 l vessel. calculate the equilibrium concentration of n2o5. no2, and o2 and the equilibrium constant after equilibrium has been reached by 65.0% of the n2o5 decomposing.
Answers: 1
HELP WILL AWARD BRAINLIST!
While sorting through a pile of old Petri dishes, Alexander Fleming noti...
Mathematics, 13.09.2020 15:01
Mathematics, 13.09.2020 15:01
History, 13.09.2020 15:01
Mathematics, 13.09.2020 15:01
Mathematics, 13.09.2020 15:01
Mathematics, 13.09.2020 15:01
Mathematics, 13.09.2020 15:01
Mathematics, 13.09.2020 15:01
Mathematics, 13.09.2020 15:01
Mathematics, 13.09.2020 15:01