Answer:
<u>A</u> One of the key elements in creating a green economy is the construction of <u>green buildings</u>.
Explanation:
Any economy relies on businesses and buildings, so a green economy is going to need green buildings to support a green economy as well.
English is the national language of the United States.
I know its the interphase of mytosis so maybe A ....?
The answer is c Ability to contract upon freezing