Answer:
Perihelion
Explanation:
Aphelion is the point of the Earth's orbit that is farthest away from the Sun. Perihelion is the point of the Earth's orbit that is nearest to the Sun.
I hope this is what you were looking for. If not then very sorry. I'm just going off of my prior knowledge.
A volcano with an empty magma chamber would be called a caldera
Explanation: During certain types of explosive eruptions, a volcano's magma chamber may empty enough for an area above it to subside, forming a type of larger depression known as a caldera.
Answer:
This is easily the most argued question about the fall of Rome. The Roman Empire lasted over a thousand years and represented a sophisticated and adaptive civilization. Some historians maintain that it was the split into an eastern and western empire governed by separate emperors caused Rome to fall.
Most classicists believe that a combination of factors including Christianity, decadence, the metal lead in the water supply, monetary trouble, and military problems caused the Fall of Rome.3 Imperial incompetence and chance could be added to the list. And still, others question the assumption behind the question and maintain that the Roman empire didn't fall so much as adapt to changing circumstances.
Answer:
Glaciers cause erosion by plucking and abrasion. Valley glaciers form several unique features through erosion, including cirques, arêtes, and horns. Glaciers deposit their sediment when they melt. Landforms deposited by glaciers include drumlins, kettle lakes, and eskers.
Explanation:
The explanation for the differences in wavelength observed from earth and a distant star with a shift towards the red end of the spectrum is the Redshift- Doppler effect.
<h3>What is the Doppler effect?</h3>
The Doppler effect is the difference that occur between the frequency of a wave in relation to observer from the wave source.
The wavelength changes with change in the frequency.
<h3>How does the Doppler effect explain the redshift?</h3>
As an object moves away from Earth, the waves moves to the red end of the electromagnetic spectrum and becomes elongated. This results to the increase in wavelength.
Therefore, the explanation for the differences in wavelength observed from earth and a distant star with a shift towards the red end of the spectrum is the redshift-Doppler effect.
Read more on Doppler effect here:
brainly.com/question/4052291
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