The earth is 81.25 times as massive as the moon and the radius of the earth is 3.668 times the radius of the moon. if a simple pendulum has a frequency of 2 hz on earth, what will be its frequency on the moon? a) 0.407 hz b) 0.814 hz c) 1.34 hz d) 1.22 hz e) 1.63 ha

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 !