Comparative with a wide range of variables
Answer:
if you have headaches or migraines, your doctor may use a spinal tap to look for signs of infection, bleeding in the brain, to measure the pressure around your brain, or other things that could be causing your pain
Explanation:
Because the ratio of surface area to volume is the most efficient<span> at their size.</span>
Silicate minerals are the most common of Earth's minerals and include quartz,feldspar, mica, amphibole, pyroxene, and olivine. Silica tetrahedra, made up ofsilicon<span> and oxygen, form chains, sheets, and frameworks, and bond with other cations to form silicate minerals.</span>
Natural Selection is the process for which evolution occurs , survival of the fittest allows only for the better, stronger alleled individuals to reproduce.
