Answer:
Three strategies which parents may use to encourage their children to communicate with them are:
1. Talk with them and try to understand what they are saying.
2. Play with them and sometimes watch movies with them.
3. Try to communicate with them by many fun activities like playing with them.
Answer:
it starts in the air then it bounces of water which is refraction
Answer:
Hand washing has external health benefits, helping prevent the spread of communicable diseases. If a program were somehow devised so that people received a small reward every time they washed their hands, we would expect the frequency of hand washing to increase.
Explanation: People who are given something (A reward of some sort) are proven to do something more, (in this case washing their hands more), or better then they would do without a source of motivation.
