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What's the best way to pour liquid out of a glass without spilling it?

The surface tension of most liquids, generally water-based, causes it to stick to non-hydrophobic surfaces like the sides of glasses or other containers. Adding a rod across the opening provides a specific path for a slow or moderate stream of the liquid to pour out along. The surface tension clings to the surface of the rod but also follows gravity downwards into the lower second container.\nSurface tension is the general phenomenon that causes materials in the liquid state of matter to seek the smallest possible surface area. Additionally, the molecules of a liquid cohere to each other more ..

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What happens when muscles get tired?

Gatorade Sports Science Institute reveals that wearing tight clothing during exercise constricts blood vessels to muscle fibers, which contributes to muscle fatigue. Muscles achieve optimum performance when they receive adequate supply of nutrients. Resting between exercises allows muscles to restore their energy. The acidic environment within tired muscles is known as acidosis. An increase in lean muscle mass causes muscles to tire less often. Muscle growth is achieved through regular exercising, taking an adequate protein diet and having enough rest. Athletes prevent over-training and muscle..

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What happens in a synthesis reaction?

Synthesis reactions are simple to identify because the number of products will always be less than the number of reactants. The general formula for a synthesis reaction is A + B ---> AB. A synthesis reaction can be a step in a larger chain of reactions. Examples of synthesis reactions include hydrogen and oxygen gas coming together to form water and carbon monoxide and oxygen gas coming together to form carbon dioxide. The reactants in a synthesis reaction can be metals or nonmetals.\nSynthesis reactions are one of the main four categories of chemical reactions. The other categories of reactio..

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What happens when the Broca's area is damaged?

UCSF's Memory and Aging Center also indicates that the damage causes labored speech. People suffering from Broca's aphasia have a hard time recalling important nouns and adjectives. Most sufferers cannot write after damage to the Broca's region. However, some patients can still understand language when they read words or when a person speaks to them.\nThe Broca's area is located in the frontal part of the brain on the left hemisphere. According to the Encyclopedia Britannica, the Broca's area controls speech and the ability to articulate words into streams of thought. ..

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What are some ways to find out the exact time without a watch?

Studying the sun’s movement across the sky and dividing its path from sunrise to sunset into equal sections is the most certain method for telling time, since the sun always rises in the east and sets in the west. For instance, if sunrise is at 6 a.m., and sunset is at 6 p.m., then the midpoint is 12 p.m. Halfway between sunrise, the midpoint is 9 a.m., and equidistant from the midpoint to sunset is 3 p.m. Using the stars to tell time is a little more difficult and only possible in the northern hemisphere.

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What kingdom does Amoeba belong to?

The amoeba consists of a thin membrane that surrounds various organs, such as the nucleus, contractile vacuole and the fluid called cytoplasm. An amoeba also has a pseudopod, which it uses for mobility and to obtain food. Its food sources include algae, bits of dead plant matter and bacteria. Some predators of amoebas are water fleas and copepods.\nAmoebas are important in nature because these organisms help to control green algae growth. However, these organisms also can cause a disease like dysentery.

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What is the difference between sulfa and sulfur?

Sulfur is a component of sulfates and sulfite preservatives, in addition to sulfa drugs. It is widely used in the production of pharmaceutical drugs and chemicals. Sulfa drugs are the first known antibiotics produced. The antimicrobial molecules inhibit the reproduction of bacteria. Allergic reactions to sulfa drugs may occur as a result of the actions of the antimicrobial molecules rather than as an allergic reaction to the sulfur in the drugs. Antibiotic sulfa drugs are more likely to cause an allergic reaction than non-antibiotic sulfa drugs.\nSulfur is a necessary part of healthy bodily fu..

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Is magnesium a metal?

Though magnesium is abundant on the earth, it's never found in a free state. It's considered a structural metal, which means it can be used as a building material. However, its melting point is too low for it to be unalloyed with other metals. The melting point of magnesium is only 1202 degrees Fahrenheit.\nAs a nutrient, magnesium is essential for health. It supports the functioning of the heart, nerves, muscles and immune system.

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What are the types of natural environments?

There are many types of habitats around the world, and all have unique physical features that make them suitable for supporting the life of specific organisms. Fish and amphibians, for instance, are adapted for life in aquatic environments, while animals such as rabbits and mice live on land areas. The environments in which plants and animals live contain different levels of nutrients and resources such as water, food sources and soils. The quantity and type of resources in specific habitats plays a key role in determining which kinds of plants and animals can survive there. In addition to sup..

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What is phenylmagnesium bromide?

Phenylmagnesium bromide is a solid, crystalline substance at standard temperature. Its density is 1.14 grams per cubic centimeter. It forms an adduct when dissolved in diethyl ether or THF. It is produced from the reaction of magnesium with bromobenzene, and it is classified as a hazardous substance due to its flammability and its volatility.

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