Match each item with the correct description.

1. Reaction that releases heat.

2. Flow of electrons through a material toward a positive charge.

3. Build up of electrons in a material.

4. Part of the ear is responsible for capturing sound waves.

5. Part of the sound wave where the molecules are pressed closely together.

Exothermic
Static electricity
Outer ear
Compression
Current electricity

Please help ASAP

1. Exothermic

2.Current electricity

3. Static electricity

4. Outer ear

5. Compression

Explanation:

1. Reaction that releases heat.

Exothermic

2. Flow of electrons through a material toward a positive charge.

Current electricity

3. Build up of electrons in a material.

Static electricity

4. Part of the ear is responsible for capturing sound waves.

Outer ear

5. Part of the sound wave where the molecules are pressed closely together.

Compression

each  column  of the  table  is called a group. elements in a group share similar properties. groups are  read  from  top  to  bottom. metal. metalloid. nonmetal. solid. liquid. gas. fe. hg. o.  2. 3. 4. 5. 6. 7. 8. 9.  2. beryllium. 9.012. 4.  sodium. 22.990.  11. 3.  magnesium. 24.305.  12.  potassium. 39.098.  19. 4.  calcium. 40.078.  20. i guess  i