An explosion occurs when the timescale for the energy release by some process is much shorter than the timescale on which a system can adjust to damp the energy release process. In the present day Sun, nuclear fusion is a very slow process: on average it takes many billion years for a proton to fuse with another. This timescale is quite temperature dependent, so you might have thought the centre of the Sun might heat up quickly, leading to a runaway "explosion". However, an increase in temperature leads to an increase in pressure that would expand the Sun, reducing the core density and temperature and decreasing the rate of nuclear fusion again. The timescale for the Sun to react in this way is just millions of years, so this acts like a thermostat that keeps the reactions under control.
Answer:
They are decreasing
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Winter is when the northen hemishepre is tilted away
The 3 benefits in obtaining Leanership and SETAs to a learner's perspective includes:
1. Quality and Relevance Training - what you will learn has practical relevance, knowing relevant theoretical basis and the quality of education and training is improved.
2. <span>Development of Applied Competence Required in the Workplace - once your part of it, you are expected to perform well in job-related tasks and you should do it, you will understand what you are doing and you will surely learn from it.
3. </span><span>National recognition of competence - you are given a wider application than any other single workplace. You are introduced of obtaining a lot opportunities that are nationally recognized qualifications.</span>
