Uticaria or Hives is the hallmark sign of an allergic reaction about to turn anaphylactic.... So hallmark it is only specific toward such allergic reactions.
I think the correct answer from the choices listed above is option A. If the reaction of maltase is optimum at the pH range of 6 to 7, then most likely when the ph is decreased into three maltase would not be able to function outside of its optimal pH range. Hope this answers the question.
Answer:
Seafloor spreading occurs at divergent plate boundaries. As tectonic plates slowly move away from each other, heat from the mantle's convection currents makes the crust more plastic and less dense. The less-dense material rises, often forming a mountain or elevated area of the seafloor.
Explanation:
I don't know I'm just doing this because it's not letting me continue
