I can't see the pictures clearly but maybe this will help
The halogens are five non-metallic elements found in group 17 of the periodic table. The term "halogen" means "salt-former" and compounds containing halogens are called "salts". All halogens have 7 electrons in their outer shells, giving them an oxidation number of -1.
Physical Change
It is being changed by the sun
The awnser is D or the 4th one
Answer:
Exothermic Reaction
Explanation:
Its a combustion reaction and they are always exothermic in nature.