The answer to this question is <span> fixed ratio
In a </span> fixed ratio schedule of reinforcement, it requires <span>subjects to provides a set number of responses and a reward will be given after the completion of a certain numbers. Because of the high certainty, we will tend to receive high and steady rate of response if we use this type of schedule.</span>
The Shiites believed that Ali of Muhammad’s cousin and son in law should be the leader.
The Sunni’s believed that Abu Bakr, his father in law, to be the leader.
They had to choose a new leader as Muhammad died in 632CE and they were attempting to decide their new ruler, soon leading to a division on who they would choose.
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Answer:
Preservation ethic is protecting our environment in an unaltered state while Conservation ethic says put natural resources to use but that we have a responsibility to manage them wisely.
John Muir argued that nature deserved protection for its own value
Gifford Pinchot founded what would have become the U.S. Forest Service.
The piece of spectral data necessary to determine the spectral class of a star is Temprature.
Spectral records are. Data measured for precise wavelengths of radiation associated with the phenomenon being found. The statistics can be a non-stop feature of wavelength fee or can also imply the most effective values at discrete wavelengths.
Spectral data is the procedure of estimating the power spectrum (ps) of a sign from its time-domain illustration. Spectral density characterizes the frequency content material of a sign or a stochastic manner.
Spectral data allows remodeling a time collection (time signal) into its coordinates in the area of frequencies, after which to investigate its traits in this area. The magnitude and phase can be extracted from the coordinates.
Learn more about spectral data here brainly.com/question/13792961
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About 1813 when it became independent .
