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Information Science and Libraries
Library and Information Science (LIS) is a discipline wherein the perspectives, practices and tools of management, education and information technology are applied to libraries. LIS is an integration of Library Science and Information Science.
1,171 Questions
What was the Triassic climate and environment like?
The Triassic period was generally warm and dry, with vast deserts and some areas experiencing seasonal monsoons. Pangea, the supercontinent, began to break apart during this time. The land was dominated by reptiles, including early dinosaurs and mammals.
What is the difference in solid surface and granite?
Solid surface is plastic resins and ATH (a hydrate of aluminum powder). Quartz is solid surface and quartz chips. Granite is anything they dig out of the ground and want to sell you.
Solid surface can be repaired, doesn't stain, the sinks are seamless,and the seams are usually invisible. And it has a warranty.
Who created the first barometer?
The first barometer is thought to have been built unintentionally by Gasparo Berti, sometime between 1640 and 1643.[1] Evangelista Torricelli, is generally credited with inventing the barometer. Got the info from wiki.
Bone marrow is the soft, spongy tissue found inside some bones. It is responsible for producing blood cells, including red blood cells, white blood cells, and platelets. Bone marrow also plays a vital role in the immune system and can be used in medical treatments like bone marrow transplants.
How are Fats used in the body?
Fats are used in the body as a source of energy, as structural components of cell membranes, and for the absorption of fat-soluble vitamins. They also play a role in protecting organs, insulating the body, and supporting brain function. Excess fats can be stored in adipose tissue for later use.
In tropical trees, the rings in the xylem are not annual like the growth rings in temperate trees. Instead, they can represent periods of growth that may be influenced by factors such as rainfall patterns, rather than yearly cycles. Therefore, they do not provide a reliable way to determine the age of a tree as tree rings do in temperate regions.
What is a food chain for temperate forest?
The direct food chain starts with the plants converting minerals, moisture, and CO2 into plant growth, and this directly supports various animals and insects.
The plants also indirectly provide a symbiotic environment for mosses and ferns.
There is also an epiphytic environment created for algae, and lianes.
Upon the plant death, it provides food for various decay organisms such as fungi and bacteria.
The animal food chain process follows alongside the plants, and makes no great demands other than of food. But birds and animals do construct shelters from or among vegetation.
Why is more carbon dioxide being produced?
More carbon dioxide is being produced primarily due to human activities such as burning fossil fuels, deforestation, and industrial processes. These activities release large amounts of carbon dioxide into the atmosphere, contributing to the greenhouse effect and global warming.
What are the atoms found in every form of life?
The atoms found in every form of life include carbon, hydrogen, oxygen, nitrogen, phosphorus, and sulfur. These elements are essential building blocks for biomolecules such as proteins, nucleic acids, lipids, and carbohydrates.
Does sand cover 50 of most deserts?
Sand covers around 20-25% of most deserts, with the remainder being made up of rocky, gravelly, or clay-like terrain. Sand dunes are more commonly associated with coastal or wind-blown deserts, such as the Sahara or Arabian deserts.
The important stages involved in making a good business connection are, barrier free communication, exchange of information, assessment, a collaborative team environment and management of human resource.
What is definition of modern technology?
Modern technology refers to advancements and innovations in various fields such as information technology, biotechnology, and robotics. It involves the use of cutting-edge tools and techniques to improve processes, enhance communication, and provide solutions to complex problems. These advancements often result in increased efficiency, convenience, and connectivity in our daily lives.
Can bees see ultraviolet light?
Yes, which is how bees can navigate (using the sun as a reference) even on a cloudy day, because ultraviolet light passes through clouds. Just as we see the sun in a blue sky background on a clear day, the bee sees the sun in an ultraviolet sky background on even a cloudy day. The underlying reason that the sky appears ultraviolet to a bee (and blue to us) is that something happens to the sun's rays when they hit charged particles. These charged particles are in the ionosphere and in Nitrogen and Oxygen "dipoles" in the atmosphere. The sun's radiation will cause the charged particle to vibrate, and when the charged particle vibrates it re-radiates energy. If you work out the mathematics (physics) of this re-radiation, it turns out that the energy is re-radiated in proportion to the fourth power of the frequency (as discovered by Raleigh in the 1800's and worked out with a more accurate distribution formula by Einstein early in the 20th century). For humans, who have eyes that have blue, yellow and red sensors, the fourth power formula means that blue from the sky is ten times stronger than red, so the sky looks blue. Similarly, for bees (and other insects), the highest frequency sensors in their eyes detect ultraviolet), and so the sky appears ultraviolet to them. Sources: Karl von Frisch on Bees (e.g. in Answers.com); basic courses on electrodynamics and magnetism (or Google "Why is the sky blue").
What schools have religion classes?
Many schools, especially private and parochial schools, offer religion classes as part of their curriculum. Some public schools may also offer elective courses in religious studies or comparative religion. It is best to check with individual schools to see if they offer such classes.
What kind of tissue makes up the skin?
The skin is made up of three main layers of tissue: the epidermis (outer layer), dermis (middle layer), and hypodermis (innermost layer). The epidermis is primarily composed of epithelial tissue, the dermis contains connective tissue, blood vessels, and nerves, and the hypodermis consists of adipose tissue.
What trees live in the tundra?
Some common trees that can be found in the tundra biome include dwarf willow, birch, and alder. These trees are adapted to the harsh conditions of the tundra, such as cold temperatures, permafrost, and a short growing season. The trees in the tundra are typically small and low-growing due to the challenging environment.
Quintuplets refer to a set of five siblings born from the same pregnancy.
What is The process of turning basic materials into something people can use is called?
The process of turning basic materials into something people can use is called manufacturing. This process involves a series of steps such as producing, processing, assembling, and finishing raw materials to create finished products for consumer use.
How many people visit the Empire State Building every day?
On average, the Empire State Building receives around 4 million visitors annually, which amounts to approximately 10,000 visitors per day. The number can vary based on factors such as the season, special events, and holidays.
What are the advantages and disadvantages of microform?
The medium has numerous advantages:
- It enables libraries to greatly expand access to collections without putting rare, fragile, or valuable items at risk of theft or damage.
- It is compact, with far smaller storage costs than paper documents. Normally 98 document size pages fit on one fiche, reducing to about 0.25% original material. When compared to filing paper, microforms can reduce space storage requirements by up to 95%.[11]
- It is cheaper to distribute than paper copy. Most microfiche services get a bulk discount on reproduction rights, and have lower reproduction and carriage costs than a comparable amount of printed paper.
- It is a stable archival form when properly processed and stored. Preservation standard microfilms use the silver halide process, creating silver images in hard gelatin emulsion on a polyester base. With appropriate storage conditions, this film has a life expectancy of 500 years.[12]Unfortunately, in tropical climates with high humidity, fungus eats the gelatin used to bind the silver halide. Thus, diazo-based systems with lower archival lives (20 years) which have polyester or epoxy surfaces are used.
- Since it is analog (an actual image of the original data), it is easy to view. Unlike digital media, the format requires no software to decode the data stored thereon. It is instantly comprehensible to persons literate in the language; the only equipment that is needed is a simple magnifying glass. This eliminates the problem of software obsolescence.
- It is virtually impossible to mutilate. Users cannot tear pages from or deface microforms.
- It has low intrinsic value and does not attract thieves. Few heavily-used microform collections suffer any losses due to theft.
- Prints from microfilm are accepted in legal proceedings as substitutes for original documents.
- The principal disadvantage of microforms is that the image is (usually) too small to read with the naked eye and requires analog or digital magnification to be read.
- Reader machines used to view microfilm are often difficult to use, requiring users to carefully wind and rewind until they have arrived at the point where the data they are looking for is stored.
- Photographic illustrations reproduce poorly in microform format, with loss of clarity and halftones. However the latest electronic digital viewer/scanners have the ability to scan in gray shade which greatly increases the quality of photographs, but they still can not duplicate the nuances of true gray shade photographs -due to the inherent bi-tonal nature of microfilm.
- Reader-printers are not always available, limiting the user's ability to make copies for their own purposes. Conventional photocopy machines cannot be used.[13]
- Color microform is extremely expensive, thus discouraging most libraries supplying color films. Color photographic dyes also tend to degrade over the long term. This results in the loss of information, as color materials are usually photographed using black and white film.[13]The lack of quality and color images in microfilm, when libraries were discarding paper originals, was a major impetus to Bill Blackbeard and other comic historians' work to rescue and maintain original paper archives of color pages from the history of newspaper comics. Many non-comics color images were not targeted by these efforts and were lost.
- When stored in the highest-density drawers, it is easy to misfile a fiche, which is thereafter unavailable. As a result, some libraries store microfiche in a restricted area and retrieve it on demand. Some fiche services use lower-density drawers with labeled pockets for each card.
- Like all analog media formats, microfiche is lacking in features enjoyed by users of digital media. Analog copies degrade with each generation, while some digital copies have much higher copying fidelity. Digital data can also be indexed and searched easily.
- Reading microfilms on a machine for some time may cause headache and/or eyestrain.
Well that's like saying why do we have hair? In theory, I think this could be in the
caveman days because they had lots of hair on their bodies to keep them
warm so we evolved from them and we still have hair basically everywhere on our
bodies. So that's hwy we have hair there and everywhere else =D
hope this answers your question! =D
Civic refers to anything related to a city or a community, especially in terms of citizenship or public affairs. It involves activities or actions that contribute to the well-being and betterment of society as a whole.
Our internal body clock known as the circadian rhythm plays a major role in waking us up. When it detects light, it triggers the release of hormones like cortisol, which helps us feel more awake and alert. Additionally, external factors such as alarms, noise, or other people can also wake us up.
What is the difference between an atlas and a globe?
An atlas is a collection of maps and geographical information in a book format, while a globe is a three-dimensional, spherical representation of the Earth. Globes provide a more accurate representation of the Earth's shape and geography, while atlases offer a wider range of detailed maps for individual regions or themes.
What are the advantages and disadvantages of management information system?
MIS describes computer systems designed for management needs. Unlike other information systems, MIS analyzes, strategically plans, and uses operational activities. Procedures to create such a system include design, development, and documentation.
