Answer:
There are two fundamentally different types of experimental error. Statistical errors are random in nature: repeated measurements will differ from each other and from the true value by amounts which are not individually predictable, although the average behavior over many repetitions can be predicted.
According to the copernicus, the first duty of the astronomer is observation.
What did Copernicus believe?
Nicolaus Copernicus (1473–1543) was a mathematician and astronomer who proposed that the sun was stationary in the center of the universe and the earth revolved around it.
How was Copernicus theory proved?
- Galelio discovered evidence to support Copernicus' heliocentric theory when he observed four moons in orbit around Jupiter.
- Beginning on January 7, 1610, he mapped nightly the position of the 4 “Medicean stars” (later renamed the Galilean moons).
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Homo erectus and Neanderthals lived at the same time as homo sapiens. Neanderthals eventually died off and homo erectus may have evolved into homo sapiens
Answer:
In nepali also it's mobile
Answer: Deforestation is another practice that can greatly increase the rate of erosion in a region. One of the most important barriers to erosion is plant life, as long-lived trees and other species put down roots that literally help hold the soil together.
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