why do we burn fuels science homework

why do we burn fuels science homework

Burning fuels releases harmful pollutants into the air. Pollutants can kill plants, harm our lungs, cause acid rain Rain that contains a high level of acids. It is believed to be caused by pollution and, maybe, natural activity such as volcanic eruptions. and are thought to contribute to global warming. A combustion reaction is when a chemical reacts with oxygen and releases energy. We burn fuels to produce energy. When these fuels burn, the atoms An atom is the smallest part of an element that still has the properties of that element, comprising electrons surrounding a nucleus of protons and neutrons. molecules a collection of two or more atoms held together by chemical bonds. ...

 why do you sweat when you have diarrhea

why do you sweat when you have diarrhea

Sudden and often intense warmth in the face or upper body, followed by sweating, dizziness or diarrhea, characterize the occurrence of hot flashes, which are usually related to some form of hormonal change. Hormonal changes may transpire naturally as part of the aging process or proceed due to treatment for certain conditions such as cancer. Medication side effects can also induce symptoms of hot flashes and diarrhea. MayoClinic. com explains that the area of the brain responsible for temperature regulation, known as the hypothalamus, is likely disrupted for any of these reasons, further causing the uncomfortable symptoms. Harvard Health Publications notes that men and women may experience symptoms of hot flashes and diarrhea for a variety of reasons. Women commonly experience hormone

 why do you find it so hard to believe

why do you find it so hard to believe

I realize there is a circle jerk of people arguing with you in this thread, so I d rather have a conversation about your point. I don t think Locke s decision to believe was ever easy. Yes, he was a crippled nobody before going to the Island, and when he gained the ability to walk it was easy to feel special. However, that s not the belief that was easy to make for Locke. The difficult decision to believe was that there was a power greater than him, and that he was both an interpreter and instrument of that power (i. e. Jacob s will, the Island, etc. ) This is the prime example I think of. It was NOT easy for Locke to take Boone to the crashed aircraft and watch him die. It was NOT easy for Locke to abandon Boone s life, because he cared about Boone. ...

 why do you want to be a director

why do you want to be a director

There are probably many more than seven reasons to become a board director but here are some of my primary thoughts. These come about as a result of a presentation I gave several months ago to the alumni of MITБs Sloan School of Management. If you were previously considering board service but unsure, this should substantiate your ambition: Intellectual Challenge According to a 2013 study by PricewaterhouseCoopers, 54% of directors said that their primary motivation for sitting on a board is intellectual stimulation. And, in most cases, intellectual stimulation is what you will receive! Boards, by definition, focus on the big picture of the company. This includes strategic planning, CEO succession planning, M A and IT strategy. These are complex and multi-faceted subjects with major

 why does my cat nuzzle my neck

why does my cat nuzzle my neck

It might be a little annoying when Tom shoves his face right in front of yours and blocks your view of the television. He's not intentionally trying to make you miss your favorite show, it's just the feline way of saying hello. Since Tom already feels comfortable with you, he has no problem getting close to your face to greet you, showing you how much he cares about you. He'll sniff your nose, rub up against your chin and nestle up right next to your neck. ...

 why do windows updates take so long

why do windows updates take so long

A slow internet connection or a cluttered hard drive are not the only potential problems to do with Windows Update. When pitchforks and torches are grabbed and walked over to Microsoft's own, a moderator will usually direct the angered crowd to the Windows Update Troubleshooter tool. Because Windows Update is its own little program, components within can break and throw the entire process off of its natural course. Running this tool might be able to fix those broken components, resulting in a faster update the next time around. If you run this tool and find that it makes no difference, you can always run through Microsoft's step-by-step Windows Update support page. ...

 why does my oil fired boiler smell

why does my oil fired boiler smell

NO!!!! you have the two an oil spill,or oil leak. or WORSE see be conscious under use bathroom paper or comfortable white absorbent towel,wipe all. NO!!!! you have the two an oil spill,or oil leak. or WORSE see be conscious under use bathroom paper or comfortable white absorbent towel,wipe all fittings/burner factors,surprisingly around the oil filter out,if serviced these days,filter out could desire to have been replaced,this in many circumstances motives some spillage,yet maximum heavily,its gasket could have been put in,incorrectly,inflicting a leak. which it would desire to get replaced. additionally you point out tank replace into empty,examine around tank surprisingly backside and lines/fittings as above. examine soil decrease than tank for Oder. be conscious::this may be an

 why do the back of my knees ache

why do the back of my knees ache

happens when the cartilage inside a joint breaks down. Cartilage is the rubbery material that cushions bones so they donБt scrape against one another when you move. Injury to the knee, or a gradual wearing down from age, arthritis, or overuse, can cause chondromalacia. The most common site of cartilage breakdown is underneath the kneecap (patella). When the cartilage is gone, the knee bones scrape against each other and cause pain. The main symptom is a dull ache behind your kneecap. The pain may get worse when you climb stairs or after youБve been sitting for a while. Ice, over-the-counter pain relievers, and physical therapy can help with the pain. Once the cartilage is damaged, chondromalacia wonБt go away. Only surgery can fix the damaged cartilage. Pain behind the knee aka posterior

 why do you make me want you

why do you make me want you

You know you make me wanna. You know you make me wanna. To come to think of it, it was only last week That I had a dream about us, oh That's why I'm here, I'm this writing this song Someway let me know, you want me girl Every time you see me what do you see? Ouu baby, you're the only thing that I really need, baby that's why You make me wanna love, you make me wanna fall You make me wanna love, you make me wanna fall And could you tell me do you feel my pain? ...

 why do women wear high heel shoes

why do women wear high heel shoes

As a woman who stands at 6'1" in her bare feet, heels have never been a necessity for me. When I put on 4-inch heels, I become a colossus. People literally have to crane their necks up to talk to me. But for my 5'1" friend, heels are an instant confident boost. Even though her office doesn't require them, she wears them almost daily. "I came up in restaurants and I worked with mostly men. It was always important to 'show up,' and I would say I often commanded more respect the more well put together I was," she says. at the universities of Liverpool and Central Lancashire might agree. They conducted an experiment in which they digitally lengthened and shortened pictures of women, asking for instant judgments from the viewing participants. The results revealed some harsh truths. The