1. true
2. false
3. false
4. true
5.false
6. It's true but can be false because a change in state can be a physical change as well.
1. exercise because you are using exercise to affect the amount of concentration. 2. concentration because concentration is what is being measured
Answer:
Chlorine
Explanation:
Each arrow represents one electron. Most of the boxes are filled, meaning they have two electrons. The last box only has one arrow, so it only has one electron. If you add it up, you get 17, which is Chlorine.
Answer:
Water in the ocean
Explanation:
The water in the ocean is always moving so all the molecules are was well