When we breathe in air, our bodies consume its oxygen and convert it to carbon dioxide. Exhaled air contains about 4.5 percent carbon dioxide. Our bodies do not do anything with nitrogen or argon. A submarine is a sealed container that contains people and a limited supply of air. There are...
When the engines shut off, the nitrogen goes from the valves into the fuel lines momentarily to flush the lines of any remaining fuel and oxidizer; this purge of the line prevents any unwanted explosions. During a single flight, there is enough nitrogen to open the valves and purge the ...
When a car crashes, the force required to stop an object is very great because the car's momentum has changed instantly while the passengers' has not -- there is not much time to work with. The goal of any supplemental restraint system is to help stop the passenger while doing as ...
grass clippings: Some grass is OK, but too much will add excess nitrogen to the compost pile and make it smell bad. It may be best to use a mulching lawn mower instead. leaves pine needles woody materials (branches, twigs) straw or hay sawdust fireplace ash What you should and should ...
If you can’t rely on a packaged tea’s “grade” as a marker of quality, how do you pick out a great matcha? First of all, look for origin information to confirm the matcha is a product of Japan; if you see the words “stone-ground,” so much the better. Do avoid vendors that...
When a car crashes, the force required to stop an object is very great because the car's momentum has changed instantly while the passengers' has not -- there is not much time to work with. The goal of any supplemental restraint system is to help stop the passenger while doing as ...
But while waste results in nitrates, it is notthe cause of nitrates. To explain, I am going to do a very brief recap of the nitrogen cycle. Before waste becomes nitrates, there are a couple of steps that happen first. 1.As waste breaks down, it gives off ammonia. ...
The depth of a veggie patch is given. We have to fill this patch with soil. Now, we know that bags contain soil. The capacity of each bag is also given. We have to find how many bags are needed to fill the patch. To solve it, we...
Nitrates are much less harmful to fish and can be removed by regular water changes. Before you introduce any fish to a tank, ideally it will have been cycled; there are a number ofdifferent ways to cycleyour tank. One of the better ways is to add artificial ammonia to your tank to sta...