Classical, alchemical, medical and technological traditions were chemistry's forerunners. Identify the contributions which each of these made to the development of chemistry?

fire could start, buildings collapsing, and ash falling from the sky.

explanation:

this is because the buildings or plants could catch on fire and the buildings would most likely collapse. lastly ash would fall because all the burning would cause ash to fall from the sky.

hope this .

1 a

2 d

3 a

4 c

explanation:

14,16 18 reacts with group

oxygen, selenium, tellurium, and polonium.

they're all from the same group as sulfur (group 16).