Answer:
Gas
Explanation:
The process in which a gas changes to a liquid is called condensation. Other examples of condensation are shown in Figure below. A gas condenses when it is cooled below its boiling point. At what temperature does water vapor condense?
Answer:
Yes , it is due to gravity , structure of earth,air resistance so ...
Answer:
pump that is the answer hope its right
Answer:
All the members of a group of elements have the same number of valence electrons and similar chemical properties.
Explanation:
The vertical columns on the periodic table are called groups or families because of their similar chemical behavior.