What things need to be considered before performing physical activity in an extreme
environment

Keep well hydrated.

Make sure you consume the recommended salt intake the night before or during the day to compensate for excessive sweating.

Wear loose fitting and lightweight clothing.

Exercise in the cooler times of day (before 9am and after 4pm)

Perform shorter warm ups and warm downs.

Explanation:

the anwser is went creeping down the river again, across the wide lonely marshes to the sea.

i longed to go with them out into the world to seek my fortune in foreign lands—africa, india, china and peru!

and, dreaming of the lands i had never seen, i'd sit on there, watching till they were out of sight.

the correct answer is:   [d]:   " espionage " .

hope this is to you!

    best wishes in your academic endeavors —

          and within the community!