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Social Sciences

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

5,538 Questions

How long does it take the earth to make one resolution?

The Earth takes approximately 365.25 days to complete one orbit around the Sun, which is commonly known as a year.

What is a change which means the products can't be returned back to the reactants?

A change that makes it difficult or impossible for products to revert back to reactants is increasing the temperature to exceed the activation energy barrier for the reverse reaction, altering the pH to a level that favors product stability, or physically removing the product from the reaction environment.

What is water displacement?

Water displacement is simply when something (e.g. a block) is put into water, and the water level rises. This is because the block is taking up space, and the water has to move somewhere, and the only place to go is up.

What are the 9 types of energy?

1) Kinetic Energy,

2) Potential Energy

3) Gravitational Energy

4) Light Energy

5) Wind Energy

6) Solar Energy

7) Chemical Energy

8) Sound Energy

9) Nuclear Energy

What are the methods of pollination?

Pollination can occur through various methods, including wind pollination (anemophily), insect pollination (entomophily), bird pollination (ornithophily), and self-pollination (autogamy). Other less common methods include water pollination (hydrophily) and pollination by animals such as bats (chiropterophily) and small mammals (mammalophily).

Can an object have heat and thermal energy?

The answer is "partly". Thermal energy consists of the average kinetic energy of the particles (how much they move around, bumping into things and each other) and the average potential energy of the particles (tough to picture - how much they "shake back and forth", or oscillate, from their normal, resting position).

What is the climate in Piedmont region?

In the Piedmont Region, winter daytime temperatures normally range from the upper 30's to the upper 40s. Summer daytime temperatures range from the high 70's to the low 90's. The state has a fairly wet climate with an average precipitation for this area averaging 44-52 inches (112-132 centimeters). North Carolina has a temperate climate with mild winters and long fall and spring months. Summers can be hot and humid, especially in the Piedmont and coastal plain region, which don't get relief from coastal breezes or higher elevations. The mountains tend to be substantially cooler and receive some winter snow.

How do plates pull apart?

The process called plate tectonics is responsible for plates pulling apart. Over time, and with the combination of carbon dioxide, erosion, and force, plates are able to pull apart. This will eventually cause some plates to separate from one another.

All living things contain what kind of compounds?

All living things contain organic compounds, which are composed of carbon atoms bonded to hydrogen, oxygen, nitrogen, and other elements. These compounds are essential for life processes such as metabolism, growth, and reproduction.

What is the system that helps fight bacteria and viruses called?

The immune system is the body's defense system that helps fight off bacteria and viruses. It is made up of a network of cells, tissues, and organs that work together to protect the body from harmful pathogens.

What is the difference between learned and inherited behaviors?

The one difference between innate behavior and learned behavior is that learned behavior is learned during someones/somethings life span. Inherited behavior is something you get or adapt to as a new born.

What are the two ways that deforestation adds to the greenhouse effect?

Forests store carbon, sequestering it from the atmosphere. Deforestation means the timber may be used and eventually converted to carbon dioxide, or left to rot, which also means that it is converted to carbon dioxide, a greenhouse gas responsible for global warming. Either way, deforestation contributes to increasing carbon dioxide levels and consequently the global warming process.

More detail:

Deforestation is the cutting down of trees to improve the value of tracts of land by making space for farms usually. Trees are a large source of oxygen and also remove carbon dioxide from the atmosphere. by cutting down trees, you limit the amount of carbon dioxide being removed from the air and, usually, the trees are burnt after being cut down in a 'chop and burn' method, this releases the carbon in the tree which reacts with oxygen because of the heat and moving into the atmosphere. As of such, not only does deforestation remove sources of oxygen and carbon dioxide sinks (a 'reservoir' of CO2) it also adds excess oxygen into the atmosphere.

Forests are a strong "carbon sink." Through a process called photosynthesis, forests consume carbon dioxide and, using energy from sunlight, 'eat' the carbon atom in the carbon dioxide molecule, using it to create sugars and other nutrients and releasing the leftover oxygen. While all plants do this, tall, dense forests are the most efficient in terms of how much carbon a square acre of forest can remove from the atmosphere.

Deforestation -- the widespread destruction of forest -- reduces the planet's ability to remove carbon from the atmosphere. This exacerbates the problem of carbon dioxide emissions because it lowers how much carbon can be removed from the atmosphere.

What type of rock is flourite?

Fluorite is a mineral that typically occurs as a cubic crystal. It is used in metallurgy and is the principal source of fluorine.

What are examples of conduction convection and radiation?

Conduction is heat transfer by bringing two systems at different temperatures into physical contact. The molecules of the warmer system bang against the molecules of the cooler system more energetically than vice versa, consequently the energy of the warmer system gradually transfers to the cooler system until they come into thermal equilibrium (same temperature). You get conduction through a system if the edges of the system are at different temperatures.

Convection occurs when flow of a fluid at a higher temperature into a fluid of lower temperature. This can either be "forced convection" - requiring a pump or fan, or "natural convection". Where the movement is due to buoyancy effects due to the difference in density between warmer and cooler fluids; as air or liquid heats up, it expands and becomes less dense, which causes it to rise. It is replaced by cooler air or liquid, which is then heated as well.This is why we heat liquids from underneath, and why your house will be warmer if your heater is on the bottom floor.

Radiation is the flow of energy as waves through space (and, in some cases, matter). Some examples of radiation are visible light, radio waves, and radiant heat. That's how the heat of the sun gets to us.

What is a well known caldera in the US?

One well-known caldera in the US is the Yellowstone Caldera, located in Yellowstone National Park in Wyoming. It is one of the largest volcanic calderas in the world and is known for its geothermal features and supervolcanic eruption potential.

What is the difference between Planets and Satellites?

Srictly, a planet orbits a star, while a satellite orbits a non-stellar body. Planet is natural whereas satellite is either natural or artificial. Artificial satellites may have different speed, whereas planets have the same speed always.

How do the propellers on a plane help the plane to fly?

It can spin either way.

The way in which it spins determines the direction it pulls the object it is attached to.

if it the propeller spins clockwise it pushes air backwards causing forward thrust, and if the propeller spins anti-clockwise it pushes air forward creating reverse thrust.

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additional The above applies to an individual prop. However, for example, Spitfire aeroplanes were made with both clockwise and counterclockwise rotating props.

Which is by and large OK, but just as you leave the ground, the prop exerts some torque on the plane body, and this is countered by the application of other control surfaces. Such as flaps and rudder.

But before you apply the corrective measure, you better be sure you are doing it the right way. This problem has caused accidents.

Do Carbon is building block of life true or false?

True. Carbon is an essential building block of life, forming the basis for organic molecules that make up living organisms. It is found in all living things, from plants and animals to microorganisms.

Are there any microorganisms living on Mars?

There is currently no direct evidence of microorganisms living on Mars. However, scientists continue to search for signs of past or present microbial life on the red planet through various missions and exploration efforts.

Which part of the leaf is most active in photosynthesis?

The palisade mesophyll cells, located in the upper layer of the leaf, are the most active in photosynthesis. They contain a high concentration of chloroplasts, where photosynthesis takes place, and are positioned to receive the most light for energy production.

A positively charged electron is called?

An ion with a positive charge is called a cation. Conversely, an ion with a negative charge is called an anion.

What are eco holidays?

It's a holiday taken in an eco-friendly way.

There are a number of ways to do this. Some people will try and go to an eco friendly destination, which could be a natural reserve or a lodge that reduces its ecological impact. For example, they might have designed the accommodations to be energy efficient.

Other ways to take an eco holiday is to offset emissions from travel, either by air or by car.