<em>Chromosphere</em>
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<em>Hope it can help !!!</em>
D all of the above, they all contribute to seasons
APEC later added SECURITY AND TERRORISM to their agenda. APEC is a forum that is made up of twenty one member countries that was established in 1989.Their principal objective is to promote free trade throughout the Asia - Pacific region. Later on, APEC added security and terrorism to the list of their major objectives.
I believe the answer is "D"