Why doesn’t the sun blow itself up?

1 answer:

5 0

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.

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If the movement of people, food, and manufactured goods can have such a negative impact on public health, should steps be taken

pickupchik [31]

Answer:

People and governments should play an active role in awareness programs.

Explanation:

The movement of the people and the ideas and the food all are included in the cultural aspects of the globalized world and as they have their positive impacts they also have there negative impacts like that of the diseases and there impacts on the health of public badly affects the nations economy and the trade flows.

<u>Several steps must be take to stop or reduce the flow of the disease and control there harmful effects at the source regions as to lower the spread of the global disease, maybe by the elimination of the waste generation and full and proper diagnosis and monitoring of the food born illness. By limiting the factors that can cause exposure to these diseases. </u>

Measures like the proper disposal facilities and food standards should be maintained as guided by the WHO and UNEP, checking the source is a most essential precaution that can be taken along with more awareness programs the stare and the local governments.

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3 years ago

Is the Mississippi River a physical or human feature

Alex777 [14]

The mississippi river is a physical feature as it was discovered during a time where man weren`t capable of such construction in the earth.

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3 years ago

What causes the counterclockwise flow of air in the afternoon?

MrRa [10]

Heat as hot air rises thus causing a disruption in the flow of air

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