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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

Is there a associates in science in healthcare?

Yes, there are Associate in Science (AS) degree programs in healthcare-related fields such as healthcare administration, medical assisting, radiologic technology, and nursing. These programs provide a foundation in healthcare knowledge and skills to prepare students for entry-level positions in the healthcare industry.

Why does your location on Earth make a difference in how much heat you get from the sun?

Because if you are on the equator the heat you are getting from the sun is concentrated, whereas if you are further away from the equator the suns rays have to cover more area therefor there is in a way, less for you. E.g Kenya is on the equator so it is warmer than lets say Greenland, which is far away.

What is the weight of a man who has a mass of 80kg if he lands on Mars?

The weight of a person on Mars can be calculated using the formula: Weight on Mars = (Mass on Earth * gravity on Mars) / gravity on Earth. Mars's gravity is about 0.38 times that of Earth's. Therefore, a man with a mass of 80kg would weigh approximately 30.4kg on Mars.

What are the winds like at the doldrums?

The doldrums are characterized by calm winds and little to no wind movement. This area near the equator experiences weak and variable winds, making it challenging for sailing ships to navigate through without getting stuck.

What is poor weather?

Poor weather refers to adverse or severe weather conditions that can impact daily activities, travel, or pose hazards to people and property. This can include heavy rain, strong winds, snow storms, extreme heat or cold, and other forms of inclement weather.

Who plays the role of junior-g?

In the TV series "The Sopranos," the character Junior Soprano is played by actor Dominic Chianese.

What can a punnett square tell us?

Punnett squares demonstrate the percentage of traits that are passed on from one generation to the next. It shows the pairings of dominant and recessive genes and what percentage there is of the next generation having those particular traits.

Why do your eyes see the opaque candleholder?

The opaque candleholder allows some light to pass through and reach your eyes, enabling you to see it. Your eyes receive the light that is reflected off the surface of the candleholder, which is then processed by your brain to form an image of the object.

One who study habitat is called what?

Someone who studies habitats is called an ecologist or a habitat biologist. They observe and analyze the interactions between organisms and their environment to understand the relationships within ecosystems.

Is wind vane a standard measurement?

Weather vane or wind vane does not measure anything, it just shows the direction the wind is out of, a wind monitor measures the force the wind is blowing, in mph or kph.

How long does the main sequence stage of a sunlike normally last?

The main sequence stage of a sunlike star typically lasts for about 10 billion years. It is during this stage that the star fuses hydrogen into helium in its core, maintaining a balance between the force of gravity pulling in and the energy produced by nuclear fusion pushing out.

What is a well known hypothesis that has been discarded?

The steady state theory of the universe, which proposed that the universe has always existed in a constant state without any beginning or end, has been discarded in favor of the Big Bang theory, which suggests that the universe began from a singular event and has been expanding ever since.

Do cells combine to make atoms?

No, cells do not combine to make atoms. Atoms are the building blocks of all matter, including cells. Cells are made up of a combination of different atoms, such as carbon, hydrogen, oxygen, and nitrogen, organized into molecules that form the structure and function of the cell.

What is an example of air expanding?

An example of air expanding is when you blow up a balloon. The air inside the balloon takes up more space as you blow more air into it, causing the balloon to inflate and expand.

What will happen if you use direct sunlight to observe a specimen?

Using direct sunlight to observe a specimen can result in overheating and potential damage to the specimen. Sunlight can also introduce unwanted glare and shadow effects, making it difficult to accurately observe details. It is recommended to use diffused or artificial light for controlled and optimal observation conditions.

Is it possible for a 2 month old to scream?

Is there a difference between a scream and a cry?

A newborn infant has the ability to cry.

By 2 months, the infants are still pre-language, but they can still react to stimuli, wants, and needs.

Displeasure often evokes crying... a sound that causes parents, or even other people nearby to feel uncomfortable and want to help.

I'm not quite sure of how loud the cries can be, but certainly strong displeasure or strong pain could evoke some pretty piercing cries.

What is the conclusion of balloon rocket?

The conclusion of a balloon rocket experiment is typically that the force generated by the escaping air from the balloon propels the rocket forward. This demonstrates Newton's third law of motion - for every action, there is an equal and opposite reaction.

What are some tools that use lenses to refract light?

Some tools that use lenses to refract light include cameras, microscopes, telescopes, and eyeglasses. These optical devices employ curved glass or plastic lenses to focus and manipulate light, enabling them to magnify images, bring distant objects into focus, or correct vision problems.

How does sunlight heat the air?

Sunlight heats the air by first warming the Earth's surface. The warm ground then heats the air directly above it through conduction. This warm air rises, creating pockets of warmer air that ultimately heat up the surrounding atmosphere.

Why are days getting shorter in south Florida?

Days are currently getting shorter in all of the northern hemisphere because we are past the summer solstice continuing to the winter solstice. The tilt of the earth causes days to get longer in the summer and shorter in the winter. The further north or south you are the more extreme these changes are. (near the poles there is a period of a few months where the sun never rises in winter, and never sets in summer)

Human beings were present on Earth toward the end of the Cenozoic?

Yes, humans emerged during the Quaternary period of the Cenozoic era, which began around 2.6 million years ago. The first anatomically modern humans, Homo sapiens, appeared in Africa around 300,000 years ago.

Which types of space objects does this agency keep track of?

The agency keeps track of various space objects, including satellites, debris, rocket bodies, and other artificial objects orbiting Earth. They also monitor asteroids and other near-Earth objects that could potentially pose a threat to our planet.

The study of lighting is called?

The study of lighting is called photometry. It focuses on the measurement of light in terms of its perceived brightness by the human eye.

What are the 3 componets of the milankovitch theory?

The three components of the Milankovitch theory are eccentricity (changes in Earth's orbit shape), axial tilt (variation in the angle of Earth's axis), and precession (wobbling of Earth's axis orientation). These factors influence the amount and distribution of solar radiation reaching Earth, contributing to long-term climate changes.

What is publicly observable?

Publicly observable refers to information or events that can be witnessed, accessed, or verified by anyone in the general public. This could include actions, behaviors, or data that are transparent and available for public scrutiny or analysis. Examples of publicly observable phenomena could be public performances, social media posts, financial disclosures, or environmental changes.