Yes it is true.
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Redshift and blueshift show how light shifts to shorter or longer wavelengths as objects in space move closer of farther away from us. People looking at an object that is moving away from them see light that has a longer wavelength than it had when it was produced (a redshift), while people looking at an source coming closer see light that is shifted to shorter wavelength (a blueshift).
Answer:
This natural greenhouse effect is what keeps the Earth's climate livable. Without it, the Earth's surface would be an average of about 60 degrees Fahrenheit (33 degrees Celsius) cooler.
Answer:
Option (1)
Explanation:
In a divergent plate boundary, the two plates move away from one another. In an ocean basin, seafloor spreading takes place at the mid-oceanic ridge, and in the continental areas, rifting takes place and forms rift valley.
During the time of divergent motion of the plates, the magma rises upward with great force. Due to this, the lithosphere becomes thin, and there comes a point, when the pressure exceeds. This results in the eruption of magma at the seafloor. As the magma reaches the surface, there occurs the process of decompression, where the magma experiences a lesser amount of pressure by the overlying rocks. The magma then solidifies and eventually forms basaltic igneous rocks along this mid-oceanic ridge and these are the geologically youngest rocks.
thus, the correct answer is option (1).
Answer:
a logic as a system of reasoning for properly arranging
Explanation:
