What structure actively moves water through a sponge?

Describe the forces both attractive and repulsive that occur as two atoms move closer together.

Which of these is an example of pseudoscience? a) predicting the time of sunrise based on data on position of earth b) predicting the date of the moon phases based on data on position of earth c) predicting eclipses based on the position of the sun and the moon d) predicting future events in a person's life based on the position of the moon

What is happening when the water inside a kettle heats up and begins to boil