D. a new substance is formed. if it is chemical change then it is actually changing to something new. In this case a new substance is formed. It is a completely different substance from what you started out with.
Answer:
Use Less Heat and Air Conditioning. ...
Replace Your Light Bulbs. ...
Drive Less and Drive Smart. ...
Buy Energy-Efficient Products. ...
Use Less Hot Water. ...
Use the "Off" Switch. ...
Plant a Tree.
Answer:
North american and Eurasian plates
Explanation:
Iceland has a divergent boundary formed by the above two plates and it sits on the Hotspot and a mantle plume as since iits between the Mid Atlantic ridges believed to be contributed in dispersal of continents across the ocean.