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Social Sciences

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

5,538 Questions

What type of erosion caused hoodoos to form?

The two theories if hoodoo formation (aside from metaphysical reasons) are:

* Water eroded and cracked the harder cap rock on the hoodoos to be. The water in the cracks froze and thawed cracking off chips which were washed away. When the rough shape of the hoodoo was formed the cap rock biscuit acted as an umbrella to protect the center of the hoodoo. The outer edges then rounded off with ongoing spalling of rock in cycles of wetting and freexzing. * Sand blown by the wind eroded the hoodoos from soft rock. This is discredited by the lack of a single eroded side to the hoodoos caused by prevailing winds

What chemical compound pollutes the air?

There are many chemical compounds and other materials that can pollute the air. Braidly speaking these are (some examples gives:

* Chemical gases (SOx NOx) * Organic vapours (ethylene, VCM, solvents) * Aerosols (mists of liquid chemical) * Fumes (metals) * Dusts (Chaff, soot) * Odours (mercaptans) * Toxics (H2S) * Opacity * Hydrocarbons * Reactive chemicals * Natural Contaminants (Ozone)

Positively charged ions are called?

Positively charged ions are called cations. An ion becomes positively charged when it loses one or more electrons. Conversely, negatively charged ions are called anions. An ion becomes negatively charged when that atom gains one or more electrons. An ion, as defined by Merriam-Webster dictionary, is "an atom or group of atoms that has a positive or negative electric charge from losing or gaining one or more electrons."

What are the attributes of living organisms?

From Wikipedia:

  1. Homeostasis: Regulation of the internal environment to maintain a constant state; for example, electrolyte concentration or sweating to reduce temperature.
  2. Organization: Being structurally composed of one or more cells, which are the basic units of life.
  3. Metabolism: Transformation of energy by converting chemicals and energy into cellular components (anabolism) and decomposing organic matter (catabolism). Living things require energy to maintain internal organization (homeostasis) and to produce the other phenomena associated with life.
  4. Growth: Maintenance of a higher rate of anabolism than catabolism. A growing organism increases in size in all of its parts, rather than simply accumulating matter.
  5. Adaptation: The ability to change over a period of time in response to the environment. This ability is fundamental to the process of evolution and is determined by the organism's heredity as well as the composition of metabolized substances, and external factors present.
  6. Response to stimuli: A response can take many forms, from the contraction of a unicellular organism to external chemicals, to complex reactions involving all the senses of multicellular organisms. A response is often expressed by motion, for example, the leaves of a plant turning toward the sun (phototropism) and by chemotaxis.
  7. Reproduction: The ability to produce new individual organisms, either asexually from a single parent organism, or sexually from two parent organisms.

Three properties of metals that are caused by metallic bonding?

  1. Malleability and ductility: Metals are malleable and ductile due to the delocalized electrons in metallic bonding, which allow layers of atoms to slide past each other without breaking.
  2. High electrical conductivity: Metals conduct electricity well because of the free-flowing electrons that can move throughout the material.
  3. Luster or metallic shine: The ability of metals to reflect light and exhibit a shiny surface is a result of the mobility of electrons in metallic bonding, allowing for efficient absorption and re-emission of light.

What are negative and positive impacts volcanoes have?

Some say that volcanic soil is much more fertile than "regular" soil, so that would be a positive.

Volcano's release a LOT of energy. Releasing that energy through a volcano could prevent earthquakes. That's a positive.

Big volcanoes put lots of dust and ash into the air. This causes some really beautiful sunsets. that's a positive.

all that dust in the air often causes more rain to fall. that could be a positive.

Of course, depending on where the volcano hits, people often get killed and cities are destroyed. That's a negative.

Volcanoes are pretty unpredictable. That's a negative.

Dust, ash, and poison gasses in the air can make breathing difficult or even fatal to someone who might have asthma or emphysema. That's a negative.

Some of the poison gases mix with water to form acid rain. That's a negative.

If the volcano is big enough, it can put enough dust and ash into the air that it can actually cool down the earth's atmosphere. This can happen for a couple of years. In this case crops don't grow correctly, and that is a negative.

Number of waves passing a point in a given time?

The number of waves passing a point in a given time can be calculated by dividing the speed of the wave by the wavelength. This will give you the frequency (number of waves per second), which when multiplied by the time duration will give you the total number of waves passing the point.

How buoyant force is influenced by gravity?

Buoyant force is entirely the result of gravity. In a gravitational field, we find denser objects sinking in whatever medium they are in (usually air or water) and less dense objects, if the density is lower than the surrounding medium, floating. In the absence of a gravitational field (or in free fall, which is equivalent) everything floats.

How did Krakatoa form?

The name comes from the Indonesian Krakatau. Unfortunately the origin of that word is very uncertain. It may be related to a word simply meaning "island" but its etymology is currently unknown.

What is genius level IQ?

A genius level IQ is generally considered to be 140 or higher. This level of intelligence is rare and signifies exceptional cognitive abilities in areas such as problem-solving, pattern recognition, and memory retention. People with genius level IQs are often highly gifted in their chosen fields and may excel in complex or specialized pursuits.

Aim of community planning of community disaster management?

Aim of community planning of community disaster management?

Ans: The aim of community planning in Community Based Disaster Management is to prevent loss of life, livelihoods and property in case of emergency. It is also identifies well in advance, actions to be taken by individuals in the community so that each one is aware of his/her responsibilities when an emergency warning is received. The basic aim in the process is to reduce vulnerabilities and enhance the capacities to reduce the loss. In community disaster management, people are atthe heart of decision-making and implementation ofdisaster risk management activities.

What natural resources are found in Arizona?

Arizona has abundant natural resources such as copper, silver, gold, lead, zinc, and uranium. The state also has significant deposits of sand, gravel, and timber. Additionally, Arizona has a diverse range of agricultural products including cotton, citrus fruits, and vegetables.

Which layer of rock is the oldest?

The basement is a term sometimes used, and Cratonis another used in a continental context.

The Principle of Superposition has it that in a given formation, the top layers are the youngest, and the deeper layers the oldest.

What is miscible and immiscible?

Miscible liquids are liquids that form a homogeneous mixture when they are added together. Obviously liquids that are immiscible do not form a homogeneous mixture when they are added together.

What is usually made up of mixtures of different kinds of minerals?

Rocks are the ones which are usually made up of mixtures of different kinds of minerals. This is what defines the various properties that different rocks have.

What is a heavenly streaker?

A heavenly streaker is a humorous term used to describe a meteor that streaks across the sky. It refers to the bright and rapid movement of a meteor as it enters the Earth's atmosphere.

What 2 organisms break down carbohydrates to release energy from cells?

Two organisms that break down carbohydrates to release energy from cells are humans and yeast. Humans use cellular respiration to break down carbohydrates into ATP for energy, while yeast can perform fermentation to extract energy from carbohydrates.

Is volumen to sound is the most similar to the brightness of light?

Yes, volume in sound is similar to brightness in light in that they both quantify the intensity or strength of the respective stimuli. Increasing the volume of sound results in a louder sound, while increasing the brightness of light results in a more intense light. Both volume and brightness are perceived based on the strength of the stimuli.

Write a report on how man's interaction with nature has resulted in different hazardous situation?

resulted in situations such as: -deforestation and soil erosion causing floods and droughts -faulty constructional practices leading to disastrous impact on life and property during cyclones and earthquakes -water scarcity in rural and urban areas -uncontrolled growth of settlements on hazardous hill slopes causing landslides

Do unlike poles attract?

Yes, unlike poles in magnets attract each other due to the alignment of their magnetic fields. This attraction is a result of the flow of magnetic field lines from one pole to another, creating a force that pulls the magnets together.

What is a turpet?

Turpet is a fish commonly eaten in the Caribbean, I ate some last week in Barbados, since which I have tried to find it online and in the dictionary. Perhaps this is the local name for it. It has a colour and texture very similar to river cobbler. It is a little fatter and meatier than red snapper and very easy to over cook. I ate it fresh, caught and cleaned that day in Sixmen's, St. Peters, but had to freeze the remainder. It does not have the same taste, texture or mouth feel when cooked after freezing. Perhaps this explains why the turpet is not widely known.

S. Maynard.

Benefits of volcanoes?

the benefits of a volcano might be producing pumice. Pumice can produce natural glass. Volcanic material also has a source for metal, gold, silver, molybdenum. copper, zinc, lead and also mercury. When an volcano erupts it also releases healthy gasses like hydrogen and carbon dioxide.