Answer:
Inside a star there is force of gravity balanced by the outward force of pressure. The star nuclear reactions are kept under control by a pressure temperature thermostat.
Explanation:
<span>The burners must be turned off because, in the case of liquid chromatography, the eluant solvents being used are flammable. Leaving the burners lit could cause the eluant to catch on fire, putting the scientist at risk.</span>
Nitrogen isn't found in carbohydrates or lipids
