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Science

The observation, identification, description, experimental investigation, and theoretical explanation of phenomena is all part of science. Nothing is immune to the scientific process: from charm quarks that haven't existed naturally since the beginning of time to Pluto, recently demoted from planet to dwarf planet. Questions on knowledge about the material and physical aspects of our world are asked and answered here.

203,801 Questions

What does the name of each atmospheric layer mean?

  1. Troposphere: "Tropo" means turning or mixing, which refers to the churning and mixing of gases in this layer.
  2. Stratosphere: "Strato" means layer or spread out, indicating the stratified nature of this layer where temperature increases with altitude due to the ozone layer.
  3. Mesosphere: "Meso" means middle, signifying its middle position between the lower and upper atmospheric layers.
  4. Thermosphere: "Thermo" means heat, representing the high temperatures in this layer despite low density of particles.

Why when were outside and speak fog comes out?

When you speak in cold or cool weather, the warm air from your lungs meets the cold air outside, causing a rapid cooling and condensation of water vapor in your breath. This forms tiny water droplets that create the illusion of fog.

What is the vegetation of cordillera?

The correct vegetation of cordillera is Douglas fir, Forage Grass, Lodge Pole Pine, White Spruce, and Ponderosa Pine. There are also different types of grasses that grow in the region it is located in, but those are the main categories.

How are rocks formed in space?

Rocks in space are formed through processes such as melting, crystallization, and solidification of materials in the early solar system. These materials can come from the remnants of supernovae explosions or from the accretion of smaller particles in space. Over time, these processes lead to the formation of asteroids, comets, and planets, which are composed of rock-like materials.

What is the most dangerous source of light?

The most dangerous source of light is likely to be ultraviolet light, particularly from sources like the sun or artificial ultraviolet lamps. Overexposure to UV light can cause skin damage, sunburn, and increase the risk of skin cancer. It is important to protect your skin from excessive UV exposure by wearing sunscreen and protective clothing.

Why does the sea water look blue?

Clear sea water is intrinsically blue.* The thicker the observed sample is, the bluer it looks. In smaller water basins, like tap water bath's and swimming pools, water appears colorless.

* Related Information:

The blue color is caused by selective absorption of infrared spectrum of the sun light.

Water doesn't derive its color from the blue sky. However, without sunlight water can't be seen as blue.

Impurities dissolved or suspended in water may give water different colored appearances, which is more often the case in sea water and lower lakes (greyish brown) than is ice lakes higher in the mountains (blue).

(cf. Related links for further detailed explanation on 'Why is water blue')

This has nothing to do with the blue sky color:

*The sky appears blue because blue light has a shorter wavelength than green and red light (blue light - 700nm, red light 400nm). Very small molecules in the atmosphere scatter blue light, where as green and red light passes straight through and we do not see it.

Why is the universe so cold?

because the sun make a world warm and the sun is not that big enough to warm up all the universe.

I don't agree. The universe is technically a vaccum that can expand or shrink and therefore this vaccum is not entirely filled with gases that can trap heat and stars or objects producing friction which creates heat.

Besides the previous person's awnser is not valid. The sun is a star and the universe is filled with many trillions of stars which are being added to constantly which is why the universe does not have one sun.

What is the name for iron on the petrionic table?

The name for iron on the periodic table is Fe, which stands for the Latin word "Ferrum." Iron is a metallic element with atomic number 26 and is known for its strength, versatility, and presence in Earth's core.

What component does the program scandisk check?

Scandisk is a utility program that checks and repairs file system errors on a computer's hard drive. It scans the disk's file structure, looking for errors such as bad sectors, lost clusters, and cross-linked files.

When alitaptap made?

Alitaptap, a Filipino firefly-inspired mobile application designed to help travelers and commuters, was launched in June 2020. Its primary purpose is to provide information on the availability of public transportation and traffic conditions to improve mobility in Metro Manila, Philippines. It aims to address the challenges of navigating the city's diverse transportation options.

Filoplumes are also known as what?

Filoplumes are also known as accessory feathers, as they are hair-like feathers that have a sensory function and are typically found near contour feathers on a bird's body.

What do the terms luminosity and magnitude mean in describing stars?

Luminosity is the total amount of energy a star emits in a certain amount of time, while magnitude is a measure of a star's brightness as observed from Earth. Luminosity is an intrinsic property of a star, whereas magnitude is affected by the distance between the star and the observer. Lower magnitude values correspond to brighter stars.

What are the gases found in the exosphere?

The exosphere contains low densities of hydrogen, helium, and traces of other gases such as oxygen and carbon dioxide. These gases are present at extremely low concentrations due to the high altitude of the exosphere.

What happen to boggieman?

The concept of the boogeyman is a mythical creature used to scare children, often personifying their fears or explaining the unexplained. It is not a real entity and exists solely in folklore and stories.

Who was the first discovered the bell?

Alexander Graham Bell is credited with inventing the telephone. He conducted the first successful experimental demonstration of his invention on March 10, 1876. Bell's work was crucial to the development of modern telecommunications.

What are 2 things that reflect light?

  1. Mirror surfaces reflect light by bouncing of incoming light waves at equal and opposite angles.
  2. Glass surfaces reflect light due to the difference in refractive index between the air and the glass material.

What is an example of an orange star?

Any star that has a spectral class of K is classed as an orange star.

There are many:

  1. Betelgeuse
  2. Antares
  3. Proxima Centauri
  4. Barnard's star
  5. Gliese 581

What is hemoglobin content of lion?

The hemoglobin content in lions is similar to that of other mammals, with levels typically ranging from 12 to 16 grams per deciliter of blood. Hemoglobin is a protein in red blood cells that helps transport oxygen throughout the body.

What is the instrument that is used to measure the amount of space something takes up?

The instrument used to measure the amount of space something takes up is called a ruler or measuring tape. It is typically used for linear measurements, while tools like calipers or micrometers can be used for more precise measurements of three-dimensional objects.

What is a nuclear eclipse?

The detonation of an atomic fission weapon at-or-near ground level draws vast quantities of material into the atmosphere. In the event of multiple such detonations, so much dust can be drawn into the atmosphere that the sun is effectively blocked from view of the planet's surface; a nuclear eclipse. In a theoretical end-of-world scenario, if the sun becomes eclipsed for a prolonged duration, blocking the light and heat of the sun from the surface, this may become what is called a Nuclear Winter.

Sentence explaining why the Moon appears to shine at night?

Since the sun has already set on earth when you see the shining moon, the brightly lit moon is just the reflection of the sun's rays off its surface. Sometimes during the day you can see the moon, but generally it is too bright when the sun is up to see the moon's reflected light.

Is know as the father of gentetics?

Gregor Mendel is known as the father of genetics. He conducted experiments with pea plants in the 19th century and discovered the basic principles of heredity and how traits are passed from one generation to the next. Mendel's work laid the foundation for modern genetics.

Who are some of the scientists involved in the development of modern rockets and what discoveries did each contribute to the development?

Wernher von Braun was a key figure in the development of modern rockets, particularly for his work on the V-2 rocket for Nazi Germany during World War II. Sergei Korolev, the chief designer of the Soviet space program, made significant contributions to the development of rocket technology that led to the first human spaceflight. Robert H. Goddard, known as the "father of modern rocketry," pioneered the development of liquid-fueled rockets in the early 20th century.

What group name for chicken?

A brood of chickens,

a peep of chickens,

a flock of chickens.

How many universes are scientifically proven to exist?

As of now, only our own universe, known as the observable universe, has been scientifically proven to exist. The concept of multiple universes, such as in multiverse theories, is still speculative and not yet experimentally validated.