you can pour it in to the sink and see if it fizzes and bubbles. If it does, it's still good. Expired hydrogen peroxide is ineffective but not harmful.
Most of metabolism is strictly regulated by enzymes, which are proteins that catalyze (speed up) a chemical reaction by lowering its activation...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your tough h...
Sometimes, an injury to the skin on your ear can cause what's called a keloid -- a thick, dense patch of scar tissue. You could get it for several reasons, such as after an ear piercing, tattoo, bugbite, burn, bad scratch, or acne. While not harmful, keloids can be really itchy....
Answer to: Summarize the controversy over the effects of trace levels of chemicals. Why do we know so little about the harmful effects of...
RFID and NFC do not need to store power in a battery, and therefore it is much safer to implant because there is no risk of battery acid getting into the body and bloodstream. The implant can be made so that it is not discoverable when walking through a metal detector, and 8 | BIO...
it’s best to remove stains whenever the mattress is still damp. You can use an old toothbrush to scrub the stain using a mixture of one part dish soap and two parts hydrogen peroxide. Be sure to spread the mixture entirely over the stain and allow it to sit for at least five minutes...
GMOs have never been tested long term on human beings and are linked to a slew of health issues that are rising in this country. All of these brands do not use organic corn either, so you can be sure they contain harmful pesticides. ...
Wax is the substance your body makes to clean dead skin cells and dirt out of your ears, but too much of it can start to get itchy. An earwax blockage can also cause other symptoms such as: Ear pain A feeling of "fullness" in your ear ...
The phycosphere (Figure 1), the algal analog of the plant rhizosphere, has been defined as the region immediately surrounding algal cells, covering an undefined distance between the algal outer membrane and the aqueous zone in which bacterial growth is stimulated by extracellular algal products [18...
Glycine monitoring is gaining importance as a biomarker in clinical analysis due to its involvement in multiple physiological functions, which results in glycine being one of the most analyzed biomolecules for diagnostics. This growing demand requires faster and more reliable, while affordable, analytical...