Answer:
D - They release water vapor when they exhale.
Explanation:
The definition is: <span>the benefit gained from consuming one additional unit of a good or service.</span>
the use of technology we use today to analyze bodies
I believe the answer is: Learner directed
Learner directed classroom refers to the type of classroom that encourage students' habit of self-learning and observation.
Even though this type of method often shows results in slower rate, it would increase the likelihood of the students able to found their own subject of interest since the early age