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:
The answer is B. I hope that this helped.
Answer:
A monohybrid cross is defined as the cross happening in the F1 generation offspring of parents differing in one trait only. A dihybrid cross is a cross happens F1 generation offspring of differing in two traits.
Explanation:
Root systems in the soil branch out in the soil forming a mesh-like framework that prevents soil erosion by enhancing soil stability. Fine roots may improve soil permeability to water. This can be illustrated when, for instance, you pull a small plant out of the soil, some soil will cling to the roots.