There are 4 electrons altogether shared between carbon atoms in a molecule of C2H4, to be more precise there are 2 electron pairs shared between the carbon atoms.
DNA opens up and each strand is used as template for a new strand.
Answer: Survival of Aquatic Organisms
Explanation: The deepest layer is the cold, dense water at the lake bottom, called the hypolimnion, it is important for all the aquatic organisms in a lake that require oxygen to survive.
