Answer:
The answer is A!
Explanation:
Because in 2009 the GHF emissions around caused a drop!
I think the answer is option A : What caused a drop in GHG emissions around 2009?
Yes,
I like minecraft
The components that make up the cardiovascular system are....
The Heart.
The Arteries.
The Veins.
The Capillaries.
<em>Hope this helps</em>
