What is the leading cause of preventable death in high school athletics?

Exertion heat stroke  

Explanation:

Exertion heatstroke is the leading cause of preventable death in high school athletics. Heat illness prevention is a course that has been provided in high school to prevent from this stroke. This course is related to maintaining the heat plan. There are some guidelines are mentioned in the course on how to account for the changes in the environment condition and the other related factors. It focuses on the hydrating plan and to establish the emergency plan in regards to the suspension about the exertion heat stroke.

answer; the correct answer to the above statement is to increase the production of milk in a herd of milk cows, the highest producing cows were chosen as the mother;

productive most commonly means: achieving or producing a significant amount or result.

explanation:

productive can also mean:

these depend on how the word productive is used. most likely productive will mean   achieving or producing a significant amount or result.