Because the rays of the light might reflect and crack the lens
<span>Sedimentation - uses solutions of lower specific gravity than the organisms, which concentrated in the sediment. This technique is recommended for general diagnostic laboratories because it is easy to perform and less prone to technical errors.
Flotation - this technique uses solutions of higher specific gravity than the parasitic organisms so the organisms float and the debris sinks producing a cleaner material while the disadvantage is that walls of cysts and eggs collapse that may blocking its identification.<span>
</span></span>
Answer:
chemicals are expelled from the white blood cells into the wound site, and this is what causes the redness and warmth.
Explanation:
Solid inner core, hope this helps, 4300*C.