a radius is a line segment that joins the center of the circle to a point on the circle true or false

Answer: moving continents to geoscience

Explanation:

continents move around on Earth's surface and that they were once joined together as a single supercontinent

The continental drift hypothesis explains how Earth's continents have moved and changed over time.

The continental drift hypothesis illustrates how things change by explaining the movement of Earth's continents over time. This theory suggests that the continents were once joined in a supercontinent called Pangaea and have since moved to their current positions, creating new landforms and changing the shape of Earth's surface. By studying fossils, similarities in rock formations, and the shapes of coastlines, scientists have been able to map the movement of continents and understand how the Earth's surface has changed over millions of years.

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The statement that Earth is a system comprised of interacting processes is true. The parts of the Earth system are often described as "spheres" - the atmosphere, hydrosphere, biosphere, cryosphere and geosphere. All these spheres work together and are involved in different processes. The Earth should be observed as as an integrated system instead of as isolated parts.

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.

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Answer:

Infrared and the ultraviolet at the both ends.

Explanation:

• The wavelength is the range form the one millimeters to the 750 nanometers. The visible spectrum of the rays of light and the violet light has 400 nm, while that 0f the red has 750 nm having the frequency of about  4 - 7.5 x 1014 Hz.