Rebecca placed an uncharged object next to an electrically charged object, and they were attracted to each other. She moved the charged object and placed it next to another uncharged object, and they were attracted to each other. What is the best explanation as to why this happened? The charged object kept its charge.
The charged object lost its charge.
The second object had a stronger charge.
The second object had a weaker charge.

10 newton object is placed 3 meters from the fulcrum. at what distance on the other side would you need to place a 15 newton object to balance the lever? show your work!

What do elements in a family tend to share. a.) similar periods b.) similar groups c.) similar atomic symbols d.) similar chemical properties and characteristics

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 !