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Why is salt an antibacterial?
Salt may be considered an antiseptic because can kill microorganisms absorbing water from the environment.
What are the Microorganisms that live in pond water?
Pedo bear
How can you purify water that has been contaminated with salt and microorganisms?
You can separate the water from the mixture through evaporation.
What is the water activity value required for microorganisms to grow?
0.85 or higher
What makes water break down or decomposes?
The water itself. Bacteria and other microorganisms need water, so in the water conditions are ideal for them.
Why microorganisms have a hard time with salt?
Salt absorb water and without water microorganisms are killed.
Why is it free from diseases and microorganisms?
why ground water free from diseases and microorganisms?
What microorganisms live in salt water?
Many microorganisms are found naturally in fresh and saltwater.
Why isn't water used to preserve microorganisms in the lab?
All of the microorganisms would absorb the water, and become corrupted because of the microorganism's that water itself contains.
What did you learn about pond water?
It is water in a ditch with many microorganisms in them.
What microorganisms can be found in tap water?
Protozoa.
What process kills the microorganisms?
Hot water.
Why is salt an antibacterial?
Salt may be considered an antiseptic because can kill microorganisms absorbing water from the environment.
Which type of water doesn't contain any microorganisms?
Distilled water
Why does it help to have some microorganisms living in the pond?
It helps because microorganisms are small so it will be easier to see in water
Does water get sterile when cold?
No. Chilling water can slow the growth of microorganisms, but it does not sterilize the water.
How do microorganisms create food and drink?
Phytoplankton are microorganisms that live in the water and can photosynthesize, which are key to the marine food chain since they are at the bottom of the chain. Also, some microorganisms are filter organisms, which get their food by cleaning out junk from the water or air.
