Judging from their basal metabolic rates (an indicator of thyroid function), categorize the rats as hypothyroid (low thyroid levels; BMR below 1600), euthyroid ("good," or normal, thyroid levels; BMR = 1650-1750), or hyperthryoid (high thyroid levels; BMR above 1800). The normal rat is:.a. hypothyroid. b. euthyroid. c. hyperthyroid.

Option b (Euthyroid) is the correct option.

Explanation:

Its normal rate will be:

⇒  

The other choices have no relation with the particular situation. So the argument presented however is the right one.

supercell thunderstorms are perhaps the most violent of all thunderstorm types, and are capable of producing damaging winds, large hail, and weak-to-violent tornadoes