I NEED HELP ASAP 7 and 8 pls will mark brainlist

The diagram below shows the different phase transitions that occur in matter. which arrow represents the transition in which dew is formed?

Areaction in which products can react to re-form reactants is

Which is a characteristic of the electron sea model for metallic bonding? molecular orbitals overlap to produce bands. electrons flow easily between metal nuclei. electrons are in fixed positions in the orbitals. atomic nuclei are arranged in an irregular pattern.