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Science

The observation, identification, description, experimental investigation, and theoretical explanation of phenomena is all part of science. Nothing is immune to the scientific process: from charm quarks that haven't existed naturally since the beginning of time to Pluto, recently demoted from planet to dwarf planet. Questions on knowledge about the material and physical aspects of our world are asked and answered here.

203,801 Questions

Is a nuget a rock?

a nuget is usually referred to golden nugets, which are minerals.

What does nonrenewable resource mean in science?

A nonrenewable resource is a natural resource that cannot be easily replenished within a human lifetime or is unable to be replenished at all due to limited availability. Examples include fossil fuels like coal, oil, and natural gas, as well as minerals like gold and copper. Once these resources are depleted, they cannot be replaced.

What causes supersaturated solutions to crystallize?

All atoms are made from and filled by a universal energy. Each atom is filled with its own special pressure it was born with and it will hold on to this pressure for its lifetime. When a solution becomes super saturated the external 3-dimensional force of gravity which is always pushing into and through every zero point in our universe causes the atoms and molicules in the solution to build many separate structures within the solution as the pressures within them cause them to line up accordingly. And then each crystle builds upon each of these individule structures causing them to grow. As the perfect balancing flow of gravity pushes through the atoms and molecules it causes their individule pressures within them to line up according to their individual pressures and this causes them to fractulize and fit together before the solution evaporates and once it does evaporate it leaves behind a crystal. When we super heat some atoms or super saturate a liquid and allow gravity to balance and fractulize the atoms and molicules in perfect alignment with their internal atomic pressure this will then allow for the transparent or translucent properties of the substance since the photon which rides upon the 3-dimension push through of gravity can now also pass through the crystallized matter unobstructed after the structure of the atoms are aligned by their internal pressures. For more... Check out 2012engineers for more.... There is no advertising associated with this site

Are there any shops in fujairah where you can get dry ice?

Yes, you can find dry ice at shops like Union Coop in Fujairah. It is advisable to call ahead to inquire about availability, as not all shops may consistently stock dry ice.

What is a good telescope but cheap?

Good and cheap rarely go together. Also, we don't know exactly what you mean by either of those terms. Your best option is to do a little research on your own and pick out some specific telescopes you can afford, then look for reviews of them in magazines like Sky and Telescope.

Speaking of which, check out the related link which may help.

Where is Edward Leedskalnin's black box now?

Edward Leedskalnin's black box, which reportedly contained his secrets to anti-gravity and other mysteries, is currently unknown. It is speculated that the box disappeared after his death in 1951 and its whereabouts remain a mystery.

When was the radio telescope first made?

The first radio antenna used to identify an astronomical radio source was one

built by Karl Jansky, an engineer with Bell Telephone Laboratories, in 1931.

Jansky was assigned the job of identifying sources of static that might interfere

with radio telephone service.

Is it authorised study center?

I'm not sure what study center you're referring to. It's best to check with the specific institution or organization to confirm if it is an authorized study center.

What chemicals or other can be used to clean test tube?

The answer to this question will depend on how you intend to utilize the tubes.

If you are working with solutions that you intend to use in an aquarium you may not want to use any detergents or chemicals when cleaning them.

For life science experiments, after you have added 10% bleach to kill any pathogens in the tube you may use a powdered detergent like Alconox or Sparkleen which is suitable for most glassware. For the first wash using your cleanser of choice in warm tap water. Next rinse the tubes thoroughly in tap water. After this do an additional rinse in distilled water. Sonicating baths are also helpful in cleaning glassware.

If there is agar, agarose or some saturated chemical solution in the tube you should heat it first so that you can more easily dispose the contents.

For especially stubborn stains as a last resort you could purchase a chromic-sulfuric acid labware cleaning solution (but these cleansers are carcinogenic).

What is neouroticism?

Neuroticism is a characteristic that's considered by modern psychologists as one of the "Big Five" personality traits used to measure people's personalities.

Basically, neuroticism is defined as how much that person tends to experience negative emotional states. For example, someone who is particularly neurotic (that's the adjective), is more prone to feeling anxious, depressed, and high-strung than the average person. They might cry more frequently, and be more sensitive to criticism. Someone with low neuroticism score is usually more calm, thick-skinned, and easy-going.

In case you're interested, the other five are openness to new experiences, conscientiousness, extraversion, and agreeableness.

I've provided a link for you below in case you need more information.

What two groups of carbon compounds are chemical energy supplies for living things?

Carbohydrates and lipids are the two main groups of carbon compounds that serve as chemical energy supplies for living things. Carbohydrates are primary sources of quick energy, while lipids are utilized for long-term energy storage in organisms.

What is another name for a spreading boundary?

Another name for a spreading boundary is a divergent boundary. This is where tectonic plates move away from each other, leading to the formation of new oceanic crust. Examples of divergent boundaries include the Mid-Atlantic Ridge and the East Pacific Rise.

How long does it take to an ice cube with and without salt?

Adding salt to ice lowers its freezing point, which speeds up the melting process. This makes ice melt faster when salt is added compared to ice without salt. The exact time it takes for an ice cube to melt will depend on factors such as the amount of salt added, temperature, and size of the ice cube.

What are two bacterias found on rice?

Two common bacteria found on rice are Bacillus cereus and Escherichia coli (E. coli). Bacillus cereus can cause food poisoning if rice is not stored or cooked properly, while E. coli contamination can occur from poor hygiene practices during rice cultivation or processing.

How do submarines help scientists in marine biology?

Submarines allow scientists to observe deep-sea organisms and their behavior in their natural habitats, which are otherwise difficult to access. By studying these organisms and their environments, scientists can gain insights into marine ecosystems and biodiversity. Submarines also enable researchers to collect samples, conduct experiments, and take high-resolution images and videos of underwater environments.

Can Cl2 disproportionate?

Yes, chlorine (Cl2) can disproportionate into hydrochloric acid (HCl) and hypochlorous acid (HOCl). This occurs under certain conditions, where chlorine acts both as an oxidizing and a reducing agent.

What advantage is gained by combining images from two or more telescopes?

Combining images from two or more telescopes allows for higher resolution and sensitivity than what is possible with a single telescope. This technique, called interferometry, is especially useful in astronomy for studying fine details of celestial objects and for improving the overall quality of the image.

What is something not proven as fact for plate tectonics?

One aspect not fully proven for plate tectonics is the exact mechanism driving the movement of tectonic plates. While it is widely accepted that convection currents in the mantle play a role, the precise details and interactions leading to plate movement are still an active area of research and debate.

Who invented the telescope and developed a heliocentric view of the universe?

I suspect the answer you're looking for is Galileo Galilei. It just has two problems: Galileo didn't "invent the telescope", nor did he "develop a heliocentric view of the universe."

The telescope was invented in the Netherlands; Galileo simply improved on it and was probably the first to apply it to astronomical observations instead of just looking for distant ships. Also, Copernicus is (properly) credited with the heliocentric view; Galileo's observations supported this, but he didn't come up with it.

What happens if Enzymes is defective and non-functional?

If an enzyme is defective and non-functional, it may not be able to catalyze the specific reaction it is responsible for. This can lead to a buildup of substrates or lack of product, disrupting normal cellular processes. In some cases, enzyme defects can result in genetic disorders or diseases.

How many moons are among the outer planets?

There are a total of 214 confirmed moons among the outer planets in our solar system. Jupiter alone has 79 known moons, Saturn has 83, Uranus has 27, and Neptune has 14. Some of these moons are large and unique worlds in their own right.

Why does sound travel faster through denser materials?

sound unlike light requires a medium to travel.sound propagates from one place to other by causing molecules to vibrate, as molecules of solid are closest vibration produced is maximum,hence speed is maximum

What is the main cause of evolution?

The main cause of evolution is natural selection, which is the process where organisms that are better adapted to their environment survive and reproduce more successfully than those that are not as well adapted. This leads to the passing on of beneficial traits to future generations, causing populations to change over time.

What telescope can be used day or night?

Any telescope can be used at any time. Depending on what you're

looking for, though, you'll most likely realize greater or lesser success

during different parts of the solar day.

For example, the solar coelostat-telescope assembly is relatively useless

during the night, the Schmidt camera at Palomar is quite unproductive in

the day, a bird spotting scope is of limited usefullness at night, and the

Hubble must be closed up during 45 minutes out of every 90.

What chemical change use conditions necessary for chemical changes in sugar?

Chemical changes in sugar, such as caramelization or combustion, typically require high temperatures (above the sugar's melting point) to break down the molecular structure of sugar. In the presence of oxygen, sugar can undergo combustion reactions that produce water and carbon dioxide as byproducts. Additionally, catalysts may accelerate these chemical changes in sugar.