In plants, the xanthophyll lutein is the most abundant carotenoid and its role in preventing age-related eye disease is currently under investigation. Lutein and the other carotenoid pigments found in mature leaves are often not obvious because of the masking presence of chlorophyll. When chlorophyll is not present, as in autumn foliage, the yellows and oranges of the carotenoids are predominant.
Government. Spain is a constitutional monarchy governed under the constitution of 1978. The hereditary monarch, who is the head of state, may ratify laws, dissolve the legislature, and propose candidates for the office of prime minister; he is also head of the armed forces.The prime minister (presidente) is the head of government. Spain: Government-Government Spain is a constitutional monarchy governed under the constitution of 1978.
List of Prime Ministers of Spain. The following is the list of those who have served as President of the Government (i.e., the Prime Minister) of Spain. It also includes similar offices presiding over the Council of Ministries since the position gained a significant power. 1 Kingdom of Spain (1705â1873) 1.1 Secretaries of the Universal Bureau. 1.2 First Secretaries of State.