Mix 1 part bleach with 4 parts water (for example, mix ¼ cup of bleach with 1 cup of water). You can also use 1 part betadine solution with 2 parts water. Alcohol is the best way to sterilize catheters. Bleach and betadine solutions may be just as safe, but there has not been research done on these solutions.
Q. How does the number of stomata affect the rate of transpiration?
Factors affecting rate
Table of Contents
| Factor | Effect | Explanation |
|---|---|---|
| Wind speed | Increased | Moving air removes water vapour, increasing the rate of diffusion of water vapour from the leaf |
| Light intensity | Increased | The stomata open wider to allow more carbon dioxide into the leaf for photosynthesis |
Q. Why do smaller leaves transpire more?
It provides water for transpiration….Factors affecting transpiration.
| Factor | Effect on transpiration | How to change this factor experimentally |
|---|---|---|
| Surface area (not an environmental factor) | Smaller leaves will contain less stomata causing a decrease in transpiration. | Remove leaves. |
Q. How long does urine stay sterile?
Storing a urine sample Do not keep it for longer than 24 hours. The bacteria in the urine sample can multiply if it is not kept in a fridge.
Q. Does urine sanitize?
“Urine is actually not sterile,” said urologist Dr Rahul Rindani from South Coast Urology in Wollongong, NSW. “Urine has bacteria in it but it is difficult to detect unless you actually have an infection and have symptoms of an infection. And having an infection is very different to having some bacteria in your urine.”
Q. Can you brush your teeth with urine?
Article content. Ancient Romans used to use both human and animal urine as mouthwash in order to whiten their teeth. The thing is, it actually works, it’s just gross. Our urine contains ammonia, a compound of nitrogen and hydrogen, that is capable of acting as a cleansing agent.
Q. Can you survive off urine?
Many claim that in a survivalist situation, drinking your pee when you’re out of water can save you from succumbing to dehydration. The fact is this is simply… false. Not only will your urine not rehydrate you, it will have the opposite effect and dehydrate you at a faster rate.
Q. Is human urine toxic?
Hazards. Healthy urine is not toxic. However, it contains compounds eliminated by the body as undesirable, and can be irritating to skin and eyes. With suitable processing, it is possible to extract potable water from urine.
