Not 100% sure what the question is but i’m assuming the answer is C. spectrum
I believe it is Greece. Greece had a direct democracy where everyone had to vote. I'm not sure about whether it was only males or of both genders could vote
It would definitely be methane
The Philippines belongs to a number of international organizations, including the United Nations; the Association of Southeast Asian Nations (ASEAN) Regional Forum; Asia-Pacific Economic Cooperation forum; the International Monetary Fund; the World Bank; and the World Trade Organization among others.
Your answer is, flood plain.