why is there no weather on the moon

why is there no weather on the moon

METEOROLOGIST JEFF HABY One characteristic of the moon of Earth is that it basically has no atmosphere. The Earth has an atmosphere rich in Nitrogen and Oxygen but on the moon the surface is directly exposed to outer space. There are three reasons why the moon has no atmosphere. The primary reason is because the moon is too small. Compared to the Earth, the moon is about 1/4th the size. This reduces the amount of gravity on the moon. Strong gravity is needed to hold an atmosphere into place. With weak gravity, gases that are emitted from the surface quickly are lost to outer space. Another reason is because the moon does not currently experience plate tectonics and geologic upwelling. ...

 why do we dress up at halloween

why do we dress up at halloween

On the Wikipedia page for An early reference to wearing costumes at Halloween comes fromбScotlandбin 1585. Looking at the I found something that sort of explains this. As the centuries wore on, people began dressing like these dreadful creatures, performing antics in exchange for food and drink. This practice is called mumming, from which the practice of trick-or-treating evolved. б This seems to be why we do it. In Samhain (the Celtic pagan ritual from which a large portion of Halloween tradition is derived), people would dress up. ...

 why should you be concerned about air pollution

why should you be concerned about air pollution

What is causing todayБs air pollution? Stagnant air from continental Europe, which has picked up pollution from industry and agriculture, is being blown over the UK from the south-east. This air combines with pollutants already present in the air from UK sources, such as nitrogen oxides and particulates from diesel vehicle engines, to produce air pollution. This is resulting in БmoderateБ levels of pollutants known as PM10 and PM2. 5, which are tiny particulates that can lodge in the lungs and in vulnerable people. , is also present at elevated levels. As the wind is blowing these pollutants inland, БmoderateБ levels of pollution are likely to occur not just in their usual locations, close to busy roads, but also far beyond, according to a warning from KingБs College. What should people

 why do they call getting sick a cold

why do they call getting sick a cold

In terms of infectious illnesses, germs make you sick, not cold weather itself. You have to come in contact with to catch a cold. And you need to be infected with viruses to contract the flu. Rhinoviruses peak in spring and fall, and influenza viruses peak in winter. While the cold canвt be the only reason, there is a connection between being chilled and getting sick: cold air may contribute to conditions that lead to illness. Some viruses are actually more likely to spread during cold weather. Rhinovirus (the cause of the common cold) replicates better at cooler temperatures, such as those found in the nose (33В to 35В Celsius) compared to the body core temperature (33В to 37В Celsius). However, found that immune system cells initiate a more robust antiviral defense at lung temperature

 why vitamin c is good for you

why vitamin c is good for you

Vitamins, Supplements Herbs What Is Vitamin B12? Vitamin B12, also known as cyanocobalamin or cobalamin, is a water-soluble vitamin that is part of the. These vitamins help support adrenal function, maintain a healthy nervous system, are necessary for key metabolic processes, and are important to DNA synthesis. Why Is Vitamin B12 Necessary? Knowing the facts about vitamin B12 and its benefits is vital: this essential micronutrient affects the development and maintenance of red blood cells, nerve cells, and normal myelination (covering) of nerve cells. It also aids in the production of DNA, RNA, and neurotransmitters. What Are The Signs Of A Vitamin B12 Deficiency? Symptoms of vitamin B12 deficiency include fatigue, muscle weakness, shortness of breath, dizziness, numbness, heart

 why do people say knock on wood

why do people say knock on wood

It wouldnБt be a St. PatrickБs Day celebration in the Windy City without 400,000 spectators crowding the banks of the Chicago River to БoohБ and БaahБ at its (temporarily) emerald green tinge. But how do officials turn the water green? First, a bit of history: The dyeing tradition became an annual thing nearly 60 years ago, in 1962, but its real origins go back even further. In the early days of his administration as Mayor of Chicago, Richard J. Daley was a man on a mission to develop the cityБs riverfront area. There was just one problem: The river itself was a sewage-filled. In order to get to the bottom of the cityБs pollution problem and pinpoint the exact places where waste was being discarded into the waterway (and by whom), Daley authorized the pouring of a special green dye into

 why do my ribs hurt on the right side

why do my ribs hurt on the right side

Long-term pain caused by costochondritis can be debilitating if untreated. Normally, treatment of the inflammation and pain causes costochondritis to eventually go away on its own. If you have chronic costochondritis, the pain may return в even with treatment в when you exercise or engage in certain activities. In these cases, you may need to seek long-term care to make sure that costochondritis doesnвt affect your quality of life and ability to take part in daily activities. Pains associated with costochondritis can indicate other issues. Chest pains can often mean that youвre having heart issues, so see your doctor right away when you feel pain in your chest to make sure that youвre not having a heart attack or have. The chest pain associated with costochondritis is a common symptom of.

 why do the socs and greasers fight

why do the socs and greasers fight

firstly, they dont fight in a vacant lot. Johnny and Ponyboy were just walking because Ponyboy just got slaaped by Darry. On their way they saw some socs. so here is the story. Johnny Ponyboy and Twobit were hanging out with these two girlP socs in the drive by theatre, the girls were Cherry and Marcia. After the movie, they were walking Cherry and Marcia home but on their way they saw some socs, which were the girls boy friends. The Greasers and Socs were about to fight but then Cherry stopped them. So, then the boys start to go home, to Johnny's house. The parents dont care about Johnny, so when Twobit leaves, Johnny and Ponyboy leave to a parking lot. They fall asleep there and Ponyboy wakes up at 2. 00 am and goes home. Darry slaps Ponyboy for coming home late so Ponyboy runs away. ...

 why do we need a parliament ncert solutions

why do we need a parliament ncert solutions

What are the basic ideals of a democracy? The participation of the citizens in the governmentвs decision- making. The need for the government to have the consent of its citizens in all major issues taken by it. What is the purpose of a Parliament? The Parliament enables citizens of India to participate in decision making and control the government. What was the main principle of the Indian constitution? The main principle of the Indian constitution was Universal adult franchise. All adults in free India could vote and participate in decision- making. How can all the citizens participate in the decisionвmaking process of the government? In a democracy general elections are held and all adults have a right to vote. The citizens elect a few people to represent them in the Parliament. The

 why does the left side of my face feel numb

why does the left side of my face feel numb

I get a slight numbness / decreased sensation / tingling (maybe) that goes right below the eyes / lower eyelid, below the eye, very lower tip of the nose and the cheek area to the upper lip. I don't know if this is the mechanism of the symptom, but this entire area is innervated by the maxilary branch of the trigeminal nerve. If you look up the area of the face you will see that branch of the nerve supplies sensation to just the area I have described. It is normally just below the eyes, but can be anywhere in this area. It feels like a piece of tape or a sticker is on my skin. It is normally both sides for me. It comes and goes, but I can make it stronger or appear sometimes by tapping my jaw side to side on my teeth. On rare occasion it will feel like a slight burning. This started for

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