What causes scientific knowledge to change over time? A. Living systems are constantly changing, so previous explanations
may no longer apply.
B. Scientists try new ideas to keep their work interesting.
O C. New data can lead to a reevaluation of earlier scientific
explanations.
D. New technology proves that earlier scientists based their
explanations on biased views,

This is important 1. what happens to the speed of molecules in water vapor when it condenses to form a liquid? (2 points) the molecules slow down. the molecules speed up. the molecules slow down and then speed up. the molecules speed up and then slow down. 2. how might human activities change to compensate for a decrease in water supplies? (2 points) humans might build a factory. humans might build drainage systems. humans might extract more water from the ground. human behavior does not change because of the water cycle. i'll be grateful if anyone can answer these 2 questions !