Public Health and Safety

Francium is a highly radioactive element with a very short half-life, making it rare and hence not extensively studied. However, being an alkali metal, it can potentially react violently with water and air, leading to potential chemical burns or injuries. Inhaling or ingesting francium can lead to radiation poisoning and tissue damage.

Pathogens can spread though direct contact by animal bites or exchange of bodily fluids. They're spread through indirect contact by contact with nonliving surfaces, air, dirty food, and vectors.

Yes, hantavirus can be contracted by inhaling dust contaminated with the urine, droppings, or saliva of infected rodents such as rats. It is important to take precautions when cleaning up areas where rodents may have been present to minimize the risk of exposure to hantavirus.

If you are stabbed with a pencil and the graphite (not led, as it's actually graphite) falls out, it's unlikely to cause serious harm unless the wound becomes infected. Graphite is inert and typically not toxic, so the main concern would be the risk of infection from the wound. It's important to clean the wound thoroughly and monitor it for any signs of infection.

Oxygen is not malleable because it is a gas at room temperature and does not have a fixed shape or volume. It is a colorless, odorless, and tasteless gas that makes up about 21% of Earth's atmosphere. Oxygen is a highly reactive element that is essential for most life forms to survive.

Most tap water is treated to remove microorganisms through filtration and disinfection processes. This ensures that the water is safe for consumption and reduces the risk of waterborne diseases caused by microorganisms.

Because the body has used the oxygen in the air to oxidize the nutrients you eat, this process combines the oxygen that you inhaled with carbon which makes up part of the nutrients you eat to form a poisonous gas "carbon-dioxide" which is then transported back to the lungs and exhaled along with moisture.

A tin can can take up to 50 years to fully decompose in the environment. However, the process can be accelerated if the can is recycled or properly disposed of in a landfill. Recycling tin cans is a more sustainable approach to reduce their impact on the environment.

Rusting of metals is caused by exposure to oxygen and water, which leads to the formation of iron oxide (rust) on the metal surface. This process is accelerated by factors such as humidity, salt, and pollutants in the environment. Preventative measures like applying protective coatings or using corrosion-resistant metals can help to reduce rust formation.

Some produce toxins, while others invade cells or tissues and then produce toxins. Even when localized in the body, such infections can have systemic effects. Symptoms are often a result of the body over-reacting in its own defence.

I am afraid the answer below is wrong, as researchers have managed to make one to the core proteins that don't change between strains. I was just wondering why it hadn't been done earlier. (quote of Wrong answer) There is no universal flu vaccine. It must be reformulated each year to try to match the flu strains though likely to be most important in the coming flu season. (end quote of wrong answer)

The fact that a universal flu has not been made earlier (though as of October 2008 is not commercially available) likely has to do with funding issues, changing technologies and the requirement for studies and clinical trials.

Since Type A flu mutates more readily than Type B, the research is aimed at finding and utilizing aspects flu viruses that do not readily mutate. So the mechanisms that would make it work are not the normal killed-virus vaccine. They must go through a process of studies and clinical trials before they will be approved by FDA. Fear of the Avian flu has spurred the research.

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Energy needed for metabolism does not come from vitamins. Vitamins are essential nutrients that support various bodily functions and processes, but they do not provide energy directly. Energy for metabolism usually comes from macronutrients such as carbohydrates, fats, and proteins.

The dark, acrid smoke from the burning car made my tongue taste bitter and my eyes water.

Baltic Brown granite is one of those stones that needs testing. It can be found at low levels (12 to 13 uR/hr), but it can also be found at higher levels (up to 50 uR/hr). However too few slabs have been tested, so the current advice is to test all slabs before purchase. All stones have some level of Radon coming out. Baltic Brown could go either way, but I would bet it is most likely to be low. You have to test to be sure.

A white coating on the tongue can be caused by oral thrush, which is a fungal infection. If medications are not working, it might be worth exploring other underlying causes such as immune system issues or certain medical conditions. Seeking a second opinion from a different healthcare provider or a specialist such as an oral pathologist may help in identifying the root cause and finding an effective treatment.

It is called Keratinocyte, which is in the outermost layer of the epidermis.

Both aluminum and stainless steel water bottles are safe options for storing water. Stainless steel bottles are generally more durable and less likely to leach chemicals into the water compared to aluminum bottles. However, aluminum bottles are lightweight and can be recycled more easily. Ultimately, the safety of the water bottle depends on the quality of the materials used and proper maintenance.

The valves of the heart open when blood is flowing through, allowing it to move from one chamber to another. The atrioventricular valves open to allow blood to flow from the atria to the ventricles, and the semilunar valves open to allow blood to flow out of the heart into the arteries.

Improper disposal of waste can lead to pollution of air, water, and soil, harming human health and the environment. It can also result in the spread of diseases, contamination of food sources, and destruction of ecosystems. Additionally, improper waste disposal can contribute to global issues such as climate change and loss of biodiversity.

A repeting pattern uses attributes that can change size, shape, position or colour. The attributes form a core and the core repeats atleast 3 times

The stomach produces hydrochloric acid, enzymes, and mucus. These substances help in breaking down food, killing harmful bacteria, and protecting the stomach lining from being digested by its own acid.

Neural Signals are the electrical potential carrying the information to be transmitted between neurons/dendrites. They also initiate chemical stimulation on the synapses to transfer/carry forward the message from/to brain.

Bacteria are one of the many harmful germs throughout the body and in the environment. Germs and bacteria are almost everywhere in the world. Bacteria gets into the body when there is an open wound or an open patch of skin. When a knee is scraped and a person has an open wound, it gives bacteria a chance to come directly into the body.

Hope this helps!

Bacteria can also enter the body if you have food poisoning. This occurs if you do not cook the meat properly. To prevent this you must make sure that you keep your raw meats away from your cooked meats, make sure that the meat is cooked thoroughly. Also you have to make sure that you wash your hands before you bake, cook or do anything with food.

Improved by Jamie Oliver

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