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He boiled two containers of gravy, assuming that the boiling would kill any microorganisms that were present.
He boiled two containers of gravy, sealed the top of one and left the other open. After a few days had passed he saw the unsealed gravy was teeming with microorganisms, while the closed bottle was clean of microorganisms.
What else can I help you with?
What relies upon evolution by natural selection?
it relies upon the population
What is the difference between chair and table?
A chair you sit upon, and a table you eat upon.
What is electric potential dependent upon?
The magnitude of the electric potential is dependent upon the particle's charge and the electric field strength.
Explain why the speed of sound changes if the temperature of the medium changes?
The speed of sound depends upon elasticity and inertia of the medium which in turn depend upon the temperature of the medium.That's why speed of sound depends upon the temperature of the medium.
Unless an object at rest is acted upon by a force it stays at rest due to its?
Unless an object at rest is acted upon by a force, it stays at rest due to its inertia.
What did spallanzani do to improve upon redis and needhams work?
Spallanzani did something way cooler he proved them wrong lololo
Should you use improve or improve upon?
Both "improve" and "improve upon" can be used, but they have slightly different connotations. "Improve" typically means to make something better in a general sense, while "improve upon" suggests building on an existing idea or standard to make it better. Use "improve" for straightforward enhancements and "improve upon" when referring to enhancements that build on prior work or concepts.
What are ten items that nanotechnology could improve upon?
stuff
Why did they change the telephone over time?
to improve upon the older telephones
A Christmas Story remake?
No. It would be almost impossible to improve upon the original.
How do you think the convention will improve upon the Articles of Confederation.?
They didn't, but they replaced them with the constitution.
Why is the umbrella so difficult to improve upon?
Because it is best when used up.
In what way did alan turing and john von neumann improve upon the design of the eniac?
He improved upon the design by adding Vaccum Tubes
What device invented by the Greeks to help sailors did the Muslims improve upon?
May be, it is compass.
What did the bicycle improve upon?
In the past they used to have iron and wood wheels. Know we have rubber wheels
How did the Phoenicians improve upon a Sumerians invention?
because they worked really hard on whatever they were doing.
The ease with which the colonists could improve their social status depended upon transportation and what?
Communication
