kaleidmills kaleidmills

21-02-2020
Chemistry

contestada

How did surgeon Joseph Lister kill the bacteria in urine specimens he had been studying?

A.He added bleach to the samples.
B.He added mold spores.
C.He froze the samples.
D.He raised the temperature of the samples above 212°C.

Respuesta :

Аноним Аноним

21-02-2020

Answer:

A.He added bleach to the samples.

Explanation:

Bleach destroys the chemical composition of bacteria. Adding mold spores, freezing samples, and raising the temperature all result in physical changes, but not chemical changes, so specimens remain alive.

Answer Link

ACCESS MORE

Otras preguntas

Text that is aligned on both the left and right margins widow is called ________

I have been cleaning cars for 35 minutes. I have completed 6 cars how many minutes did it take me to clean 1 car

26.What is the order of the types of nuclear radiation from lowest to highest energy

which sentence best tells Grampa Jeramaih's feelings about his story A. They remind him of his childhood. My answer and what i think B. They are good entertain

dolls. A toy store's Mia has a collection of 34 dolls. A toy warehouse has 5 times as many dolls. 1. Use pictures, a bar diagram, or an equation to find the num

Element of art and principles

Which of the following statement is TRUE about variable expenses? A.The amount you spend on variable expenses do not change during certain months and do change

Problem 6.7: For a bronze alloy, the stress at which plastic deformation begins is 275 MPa (40,000 psi), and the modulus of elasticity is 115 GPa (16.7 ×106psi)

Need help! True or false ?

5. 3% of what number is 111?