Question

the human body produces sweat to control body temperature. students are designing an investigation to determine the temperature at which the body begins to sweat. which investigation would most likely provide the data needed for the students experiment?
a. the students record the temperature of the environment of 10 people who are sweating.
b. the students record the body - temperature of 10 different people when each person begins to sweat.
c. the students record the amount of time it takes for 10 people to begin sweating when placed in a hot environment.
d. the students record the amount of sweat 10 people produce when they are placed in environments with varying temperatures.

Explanation:

The students want to find the temperature at which the body begins to sweat. Recording the body - temperature of different people when they begin to sweat directly provides the data related to the temperature threshold for sweating. Option A records environment temperature of sweating people, not body - temperature. Option C records time to start sweating in a hot environment, not the temperature at which sweating starts. Option D records the amount of sweat in varying temperatures, not the temperature at which sweating initiates.

Answer:

B. The students record the body temperature of 10 different people when each person begins to sweat.