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Social Sciences

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

5,538 Questions

Which ions have a positive charge?

Ions with a positive charge are called cations. Common cations include hydrogen ions (H+), sodium ions (Na+), and calcium ions (Ca2+).

Information about rural community in Ontario?

Rural communities in Ontario are characterized by small populations, natural landscapes, and agriculture-based economies. These communities often have close-knit social networks and a strong sense of community. Access to services and amenities may be limited compared to urban areas.

How can you prevent chemical change on evaporated milk?

To prevent chemical changes in evaporated milk, store it in a cool, dry place away from direct sunlight and sources of heat. Avoid exposing it to oxygen by sealing the container tightly after each use. Additionally, refrigerate opened cans of evaporated milk to maintain their quality and prevent spoilage.

What is located at 63 degrees North 151 degrees West?

63 degrees North, 151 degrees West is located in the Bering Sea, northwest of Alaska. This area is mostly water with some small islands and is known for its rich marine life and fishing opportunities.

What metal ore was introduced in Africa around the seventh century?

Iron ore was introduced in Africa around the seventh century, leading to the development of ironworking and iron tools across the continent. This sparked technological advancements in various African societies, contributing to their social and economic growth.

Is there any substences which can be founde in three states like water?

Yes, carbon dioxide is another substance that can be found in three states: solid (dry ice), liquid (carbon dioxide dissolved in water), and gas (carbon dioxide in the atmosphere).

What three properties of a medium affect the speed of sound?

Short Answer:

The speed of a sound wave depends on two properties of a medium, density and elasticity. Changes in temperature and pressure affect these properties and, of course, a change in the chemical or physical composition of a material affects these properties.

Long Answer:

Specifically, for basically all substances, the speed of sound equals the square root of the ratio of the elastic constant divided by the density.

Solids, for instance, generally become less elastic, i.e. the elastic constant gets larger, as temperature is lowered, so the speed of sound should increase.

In air and most gasses, the speed of sound depends on the temperature and not much else (i.e. not pressure) because the density and elasticity change in ways that compensate and leave the speed unchanged.

There are different kinds of sound waves. The usual simple longitudinal (compression) waves that we are familiar with as sound detected by our ear are what we usually mean by the word sound, but there are also transverse matter vibrations also called shear waves. Earthquakes provide an example of both types of these wave, but actually any solid material can have both shear and compression waves. The rules, ratio of elastic constant to density, are true for both types of waves.

The speed of a wave can depend on the frequency, but this is generally a small effect for sounds in the range of the human ear. (This is called dispersion.)

We understand this phenomenon by saying that the elastic constant depends on frequency or wavelength. Explaining the cause of that would be a whole different answer to a different question. (See related questions link.)

As an example of change due to chemical composition, it is well known that humid air propagates sound differently than dry air, but this is basically because it changes the density of air.

An example of a material change that is obvious is the freezing of water. At zero degrees centigrade, water can be either liquid or solid. The two forms propagate sound very differently.

Caveat: This is true for gasses, solids and liquids, but for peculiar things like plasmas it may be different.

Where can you find a map of Ontario that shows the latitude and longitude lines on it?

Most good road atlases and fold-up road maps show latitude and longitude marks along the borders

of each map, although the lines aren't drawn across the map.

Also, every package of road-atlas computer software has complete lat/long data, for every

place it displays.

If the solution has more solute than it can hold it is called what?

If a solution has more solute than it can hold, it is called supersaturated. This means that the solution is unstable and may precipitate out excess solute if disturbed.

What is the best infant formula?

All formulas across the board are nutritionally equal. The FDA requires formula manufacturers to make them all nutritionally equal, so it doesn't matter if you get a national name brand or a store brand... They're essentially the same thing. Why not try Parent's Choice, if you have a Walmart near you? They have a formula finder (linked below) that can help you find the formula that may work best with your baby.

Check out the nutrition labels on their site too.. if you go to Formulas, then click on the formula you're looking into, they have their nutrition information right alongside the comparable name brands. You'll see they are nutritionally equal. You can also use the Formula Calculator to see how much money you could save if you switched to a store brand over the national name brand. (Linked Below)

Why did racial unrest erupt in the summer of 1919?

The riots were sparked by postwar tensions of racism, unemployment, inflation, and violence by radical political groups. (Sourced from Wikipedia, available at http://en.wikipedia.org/wiki/Red_Summer_of_1919)

Are small fossils more common than big ones?

Yes, small fossils are generally more common than big ones. Small fossils are more easily preserved and less likely to be destroyed over time compared to larger fossils, making them more abundant in the fossil record. Additionally, the small size of some organisms may contribute to their higher numbers in the fossil record.

What are the main things about sedimentary rock?

Usually, sometimes sedimentary rocks can be found creating on the side of pool's. And even though sedimentary rock is small, they can be used for big thing. Like houses, or even sculptures.

6 billion years ago when the earth was forming there were no Sedimentary rocks, as well as metamorphic, but there were igneous rocks. It was 3.9 billion years ago when the first sedimentary rocks began to appear!

What are the factors enforcing group formation?

Factors that enforce group formation include shared goals or interests, a sense of belonging or identity, the need for social support or cooperation, and the presence of external threats or challenges that require collective action. Additionally, factors such as proximity, communication channels, and social norms can also influence group formation.

What is class 9 sst projects?

Class 9 SST projects can refer to social science projects that students in 9th grade are assigned to research and present on topics related to history, geography, civics, and economics. These projects help students deepen their understanding of the subject matter and hone their research and presentation skills. Examples of class 9 SST projects could include creating a timeline of historical events, analyzing maps to understand geographical features, or exploring the impact of government policies on society.

What does winter stand for?

Winter is one of the four seasons characterized by cold temperatures, shorter days, and often snowfall in many regions. It is a time of dormancy in nature when plants stop growing, animals hibernate, and people typically wear heavier clothing to stay warm. Winter can also signify a period of rest, reflection, and preparation for the coming spring.

Who was alferd the great?

Do you mean Alfred the Great? Because if you do he was King of Wessex from 871 to 899. Alfred is noted for his defence of the Anglo-Saxon kingdoms of southern England against the Vikings, becoming the only English monarch still to be accorded the epithet "the Great". Alfred was the first King of the West Saxons to style himself "King of the Anglo-Saxons". Details of his life are described in a work by the Welsh scholar and bishop Asser. Alfred was a learned man who encouraged education and improved his kingdom's legal system and military structure. He is regarded as a saint by some Catholics, but has never been officially canonized. The Anglican Communion venerates him as a Christian hero, with a feast day of 26 October, and he may often be found depicted in stained glass in Church of England parish churches.

Why are lichen important after an area is devastated by a volcano?

probably because lichens absorb most gases and minute particles from erupted mountain, this include fluorine, arsenic, etc., therefore it can be used as bio-indicator of the environmental healthiness after volcano's eruption.

Which animals have 206 bones in their body aside from humans?

Adult giraffes also have 206 bones in their body, like humans. This includes different types of bones like the skull, ribs, and vertebrae.

What represents the physical characteristics of the individual?

Physical characteristics of an individual refer to their outward appearance, such as height, weight, hair color, eye color, skin tone, and body structure. These characteristics are determined by genetics and can vary among different people.

What are the collums of the elements called on the periodic table?

The columns of elements on the periodic table are called groups. Each group contains elements with similar chemical properties due to their shared number of electrons in the outermost energy level.

Is Delhi north or south of the Equator?

India is entirely in the northern hemisphere. In fact, the southernmost point in India is about 7 degrees north.

How do forces work in pairs?

According to Newton's third law of motion, for every action there is an equal and opposite reaction. This means that when one object exerts a force on another object, the second object exerts an equal force in the opposite direction on the first object. These pairs of forces are known as action-reaction force pairs.

Under normal circumstances water boils at?

100°C (the definition of 100 degrees Celsius is the triple point of water) By "normal" I assume you mean standard pressure.