How many countries are there in the world

Answers

Answer 1
Answer: There are 196 countries
Answer 2
Answer: There are 196 contries in the world.

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What kinds of data do surface weather maps provide ?

Answers

The surface analysis allows one to identify and locate the large scale features of the sea level pressure field and the surface fronts. Isobars with the lowest value will encircle the region with the lowest point in the pressure field, while the closed isobar with the largest value isolates the highest sea level pressure.  

Where would you look for glacial grooves in the 300 million year old rock of Antartica?

Answers

Your fossils of Antarctica will occur mostly beneath glacial ice

Experts agree that it is critical to wash our hands with soap and water for 20 seconds repeatedly during the day, but what is the big question developing countries like India are missing ?

Answers

Many countries like India do not have much of there people with access to water. How can someone wash your hands without any water? Many experts all over the world have not considered this, becasue countries like Eritrea, Papua New Guinea and Uganda, similarly to India, do not have acess to clean water, if they can have any at all.

What is a triggered earthquake

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When a tec. Plate slips and releases energy

why might someone want to flee to afghanistan to seek a home in a new country


Answers

They don't like the religion/ want a new one
Don't like the governamt
War 

PLEASE HELP I WILL AWARD YOU WITH 60 POINTS!!!when the wavelength of spectral lines emitted from an object increases, which end of the visible light spectrum does it move toward, and what is the object's motion relative to earth?

Answers

Increasing wavelength is an indication of a Doppler shift caused by an object moving away from the viewer. Longer wavelengths (of the visible spectrum) are redder, shorter wavelengths are bluer. Objects moving away from you have a red shift, objects moving toward you have a blue shift.


Final answer:

An increase in the spectral line's wavelength causes it to move towards the red end of the visible light spectrum, signaling that the object is moving away from the observer. This phenomenon is known as redshift in the Doppler effect.

Explanation:

When the wavelength of spectral lines emitted from an object increases, it moves towards the red end of the visible light spectrum, which illustrates a concept known as redshift. This is a result of the object's motion relative to Earth. If the object is moving away from us, the light's wavelength appears longer, causing a shift towards the red end of the spectrum. This phenomenon is a manifestation of the Doppler effect, originally explained by Christian Doppler in 1842.

This principle can be used in astronomy to deduce the motion of stars and galaxies relative to us. For instance, if a star's spectral lines shift towards the red end of the spectrum, we can infer that the star is moving away from us. Conversely, if the lines shift towards the blue end, this suggests that the star is moving towards us.

Learn more about Doppler effect and redshift here:

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