The answer would be C.<span>billions of dollars.
I hope this helps!
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There all interrelated with one another
The first one is hormones, and the second is E.
Answer : Option B) Students need to get acclimatized to heat and exercise intensity before wearing heavy gear.
Explanation : While doing practices and training activities during the summer months or other hot-weathers it is advised to wear full uniform/padding to prevent heat illness because it will prevent the water losses from the body.
It will try to adjust the athlete's body temperature along with the heart rate and give comfort to the user. It will basically prepare them to use the heavy gears to be worn after the exercise. It acts as an heat absorber and reduces the amount of heat that reaches to the body.