The answer for the question is Migraine<span>. Migraines Headaches are extremely, nearly paralyzing headaches that are located on one side of the head and are sometimes accompanied by dizziness, nausea, or vomiting. They normally develop in two phases; The first phase, in which blood vessels in the brain narrow (vasocontsriction), such that the flow of blood to arts of the brain is reduced. Second phase; occurs when the blood vessels expand, such that blood flows through them rapidly, thus stimulating many neuron endings and causing pain. </span>
Well, an endoskeleton is an internal skeleton, like humans have.
Pro: Bones do not get broke as easily, since they are inside of the body. Bones that break also heal more quickly in an endoskeleton, since they have tissue and blood surrounding it and transferring nutrients.
Con: The flesh can get easily damaged. There is no shedding with endoskeletons, so a new skeleton cannot be grown in the event of an injury.
Answer:
Option D
Explanation:
Given
Justin has type A blood . Both the parents of Justin has AB blood type
Brittany has type B blood and both the parents of Brittany has AB blood type
This make it clear that -
Genotype of Justin is AA
Genotype of Brittany is BB
Now if Justin is crossed with Brittany , following blood groups in offspring is possible -
AA * BB
AB, AB, AB, AB
Thus, none of the offspring will have A blood group. Thus the chances that Justin and Brittany's son has type A blood is 
%
Option D is correct
Answer:
The atomic number or proton number of a chemical element is the number of protons found in the nucleus of every atom of that element. The atomic number uniquely identifies a chemical element. It is identical to the charge number of the nucleus.
Explanation:
