Answer:
D
Explanation: An exothermic change is Because it has heat.
In ionic bonding, an arrow is often drawn on the diagram to show the direction the electrons move to form the ions.
3. B
4. A
5.A
6. A (i think)
Hope this helps
Answer:
Measuring a pencil in meters would be very difficult, as a single meter is much longer than one pencil. Also, measuring a hallway in millimeters would be very difficult considering how small millimeters are in comparison to a hallway. However, if you switch these two then they would work very well.
