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Social Sciences

The study of human society and of individual relationships in and to society.

5,538 Questions

Describe chemical and physical properties and give examples of each?

A physical property is one that can be changed without altering the chemical formula of the substance, e.g., gas to liquid. A chemical property is one that is unique to that substance and altering it will change that substance chemically, e.g. density or molar mass.

What type of rock is in the asthenosphere?

Matter in the Asthenosphere is in the molten or semi-molten state. This is because its temperatures can peak at 3,000 degrees Celsius. Its composition consists of magnesium and iron silicates. The Asthenosphere plays a key role in the movement of tectonic plates.

What removes wastes made by cells?

The excretory system, specifically the kidneys, plays a key role in removing wastes produced by cells in the body. The kidneys filter waste products from the blood and excrete them in the form of urine. Additionally, the liver also plays a role in breaking down and eliminating certain waste products from the body.

Are acid and metal formed in a acid or salt?

Acid is formed when a substance donates a proton, while a metal is a type of element. Acids and metals can react to form salts, where the metal displaces hydrogen from the acid to form positive metal ions and negative anions from the acid, resulting in a salt compound.

In 1823 the us proclaimed itself as protector of the western hemisphere through its declaration of what?

The United States proclaimed itself as the protector of the Western Hemisphere through the Monroe Doctrine in 1823. The doctrine stated that the Americas were off-limits for European colonization and that any interference would be seen as a threat to U.S. security.

What are bowl-shaped basins resulting from glacial erosion on the side of a mountain?

Cirques are bowl-shaped basins resulting from glacial erosion on the side of a mountain. They are formed by the scouring action of a glacier as it moves downhill and erodes the bedrock through processes like abrasion and plucking. Cirques are typically the starting point for glaciers and can later develop into larger glacier valleys.

How is limestone physically weathered?

Here are some examples:

1. Water flowing over it, like the Grand Canyon.

2. Mechanical wearing, like from being walked on, ever seen steps with imprints?

3. Ice damage, water seeps into cracks and when cooled forms ice which expands and cracks the stone, like potholes forming.

What is a homogeneous characteristic?

A homogeneous characteristic is a trait or attribute shared by all members of a group or population. It refers to a common quality that is consistent across all individuals within the group. Homogeneous characteristics help define and distinguish a specific set of individuals from others.

What does beryllium look like in its normal state?

In its normal state, beryllium is a grayish-white metal that is light in weight and has a relatively high melting point. It has a shiny surface and is brittle in nature.

Preventing common human induced disasters lesson brief explanation?

Preventing common human-induced disasters involves implementing proactive measures to reduce risks and vulnerabilities. This includes proper urban planning, building codes compliance, early warning systems, emergency preparedness drills, community education on disaster risk reduction, and sustainable practices to minimize environmental impact and reduce the likelihood of disasters like fires, floods, and industrial accidents. By taking these preventive steps, communities can better protect lives, property, and infrastructure from human-induced disasters.

Who said the volume of a gas varies with the pressure exerted on it?

Robert Boyle, an Irish scientist, introduced Boyle's Law in the 17th century, which states that the volume of a gas is inversely proportional to the pressure exerted on it, assuming the temperature is constant.

Energy appears in many?

forms, including mechanical, thermal, electrical, radiant, chemical, and nuclear.

What color produces the lowest rate of photosynthesis?

Green light produces the lowest rate of photosynthesis because chlorophyll, the main pigment responsible for photosynthesis, absorbs red and blue light more efficiently than green light. This results in green light being less effective in driving the photosynthetic process.

What are the factors that affect how fast a solid solute dissolves?

The main factors that affect how fast a solid solute dissolves in a solvent are temperature (higher temperature usually leads to faster dissolving), surface area of the solute (smaller particles dissolve faster), stirring or agitation of the mixture, and the concentration of the solute in the solvent.

Do rednecks have more genetic defects because of inbreeding?

There is a misconception that rednecks are more likely to have genetic defects due to inbreeding. In reality, the prevalence of genetic defects is not necessarily higher in this population compared to others. Inbreeding can increase the risk of passing on genetic disorders, but it is not exclusive to any particular group.

What are the examples of ionic compounds and their uses?

Some examples of ionic compounds include sodium chloride (table salt) used for seasoning food, calcium carbonate (limestone) used in construction and agriculture, and magnesium sulfate (Epsom salt) used for medicinal purposes and as a fertilizer.

The giant causeway is an unusual formation of rock columns along thenorth coast of northern Ireland this wonder gets its name from an old legend what type of igneousnrock is found in this formation?

The Giant's Causeway is made up of some 40,000 large black basalt columns which protrude from the sea. It formed when molten rock was forced up through fissures in the earth to form a lava plateau.

What happen to a metal place near magnet?

When a metal object is placed near a magnet, the magnetic field of the magnet exerts a force on the free electrons in the metal, causing those electrons to align in the same direction. This alignment creates a magnetic field in the metal, which either attracts or repels the original magnet, depending on the orientation of the magnetic poles.

How many minutes does it takes sugar to dissolve in warm temperature water?

How much sugar, how much water, how warm is "warm", are you stirring it or not, is the sugar powdered, in the form of small crystals, in the form of rock candy ... there are so many variables that it is impossible to give an answer to a question this vague.

However, even if you had given that information, this is not something that scientists are usually terribly interested in. We generally assume that if you're trying to dissolve something you will first get it in a reasonably finely divided form and stir, and it takes however long it takes. How much sugar can you dissolve in a liter of water at 25 degrees ... that's a question that someone somewhere has recorded the answer to. How long it took is generally of considerably less interest, and finding that information would be much harder... probably harder than actually getting some sugar, and some water, and doing the experiment yourself.

What are the primitive types of artificial neuron?

The primitive types of artificial neurons include perceptrons, sigmoid neurons, and threshold neurons. These neurons serve as the building blocks for artificial neural networks and can be interconnected to perform various computational tasks.

How do you keep an ice cube from melting without a freezer?

You can't keep it from freezing indefinitely. But if you wrap something cold, for example in a sweater, it will stay cold longer.

You can't keep it from freezing indefinitely. But if you wrap something cold, for example in a sweater, it will stay cold longer.

You can't keep it from freezing indefinitely. But if you wrap something cold, for example in a sweater, it will stay cold longer.

You can't keep it from freezing indefinitely. But if you wrap something cold, for example in a sweater, it will stay cold longer.

What firms up from liquid to semisolid?

When a liquid transforms into a semisolid, it undergoes a process called gelatinization. This commonly occurs in foods like starches and certain gels, where the molecules align and trap water, resulting in a thicker consistency. Examples include custards, sauces thickened with flour or cornstarch, and gelatin desserts like Jello.

How rocks are mined in a quarry?

Rocks are mined in a quarry by blasting or drilling to break up the rock into manageable pieces. Heavy machinery such as excavators and dump trucks are then used to extract the rocks from the quarry. The rocks are crushed and processed for various uses in construction or manufacturing.