The old adage of "use it or lose it" would best describe inactive that are eliminated.

hello

answer: collecting information/data

reason: the student is going around and asking people questions to collect data

i hope this

straight probes are used primarily for measuring flow as it is approaching the test area. its geometry allows the probe to be mounted so that it is in the direct line of airflow.

i think it is d. objects resist changes in their state of motion.