A mixture IS NOT a chemical combining of substances. If substances
combine chemically, then they form a compound, not a mixture.
Here is the answer. The microscope parts that should routinely be adjusted to control the light source and provide optimal illumination of the specimen are the following: <span>light source; condenser; specimen; objective lens; ocular lens. Hope this answers your question.</span>
<span>It actually depends on what
water and what is in the water that you are freezing. Normal temperature water
will freeze in about 3 to 4 hours, if you want it to really be hard, but it can
already start freezing in about an hour. However, boiling water said to freeze
faster.</span>
The answer would be stage of<span> conversion of Hydrogen to Helium.
At the end of this phase, the helium content of the suns will have the popping effect where more and more helium is now on the core resulting to higher temp and density as helium converted from hydrogen is much heavier.</span>