The average distance from the sun to Earth
Explanation:
- Astronomical unit is defined as the the average distance from the center of the earth to the center of the sun.
- It is represented by AU.
- The value is equal to a unit of measurement of 149.6 million kilometers.
- An Astronomical Unit is approximately equal to 93 million miles (150 million km). It's approximately 8 light-minutes.
- Astronomical units are usually used to measure distances in solar system.
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Researchers generally recognize several different sources of bias, each of which can strongly affect the results of STEM research. ... Researchers can influence outcomes through their study design choices, including who they choose to include in a study and how data are interpreted.
(Science: statistics) in a clinical trial, bias refers to effects that a conclusion that may be incorrect as, for example, when a researcher or patient knows what treatment is being given. to avoid bias, a blinded study may be done.
The structures allow the cell to perform specific functions.