I assume you meant to write convection for one of those answers. Convection is the way that heat is transferred through liquids and gases.
Answer:

Write a balanced equation for the extraction of zinc in a blast furnace pls help quick
Answer:
Straight connection
Explanation:
All synthetic items are made in a chemistry lab.
Natural - Organic
Chemical/Synthetic - Inorganic
Answer:
C is the answer because I searched it up on the web and it says exactly that it's c is not a property of water