Answer: The first option: 0%
Explanation:
Biology is the study of life, and uses the scientific method, the basis of science, to do so. Hypotheses are made, tested, and remade, until a theory is made, which then becomes Scientific law.
Answer:
im petty sure Cluster headaches they are very painful, your eye gets droopy and you nose bleeds and your heads is in soooo much pain and they could lead to a seizure.
Explanation:
100% should be the answer I believe
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