Eva is performing an experiment to determine which type of disinfectant kills the most bacteria. She has six plates of the same kind and amount of bacteria. She adds one of five different kinds of disinfectant to each plate and leaves one plate without any disinfectant as a control.
What role does the independent variable play in this experiment
A.
The type of disinfectant determines the amount of bacteria killed.
B.
The amount of bacteria killed determines the type of bacteria used.
C.
The type of disinfectant used determines the type of bacteria used.
D.
The amount of bacteria killed determines the type of disinfectant used.
Answers (2)
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “Eva is performing an experiment to determine which type of disinfectant kills the most bacteria. She has six plates of the same kind and ...” in 📗 Chemistry if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers
You Might be Interested in
If 56 grams of notrogen are used up by the reaction, how many grams of amonia will be produced? 1N2+3H2--> 2NH3
Answers (1)
A gas mixture used for anesthesia contains 2.83 mol oxygen (O2), and 8.41 mol of nitrous oxide (N2O). The total pressure of the mixture is 192 kPa. What is the partial pressure of N2O? Report your answer with three significant figures.
Answers (1)
Enough of a monoprotic acid is dissolved in water to produce a 0.0136 M solution. The pH of the resulting solution is 2.45. Calculate the Ka for the acid.
Answers (1)
Which element, when combined with chlorine would most likely form an ionic compound? potassium carbon phosphorus chlorine
Answers (1)
if two gases of different mass are inside containers and the particles of both gaes have the same average molecular speed the gases must
Answers (1)
New Questions in Chemistry
Copper (cu) is a transition element used in the making of coins. calculate the mass in grams of 0.0420
Answers (1)
In 1864, the Solvay process was developed to make soda ash. One step in the process is represented by the balanced equation below.
Answers (1)
A chemist must prepare of aqueous potassium permanganate working solution. He'll do this by pouring out some aqueous potassium permanganate stock solution into a graduated cylinder and diluting it with distilled water.
Answers (1)
What is the best name for the molecule below? a compound with 10 total carbons with a double bond and the rest single bonds.
Answers (1)
What Word means the gradual change and build up of organisms in an enviroment
Answers (1)