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.
Types of Governments Governments can be classified into several types. Some of the more common types of governments are: 1. Democracy The word democracy literally means rule by the people.. In a democracy, the people govern. 2. Republic A literal democracy is impossible in a political system containing more than a few people. All democracies are really republics. In a republic, the people elect representatives to make and enforce laws. 3. Monarchy A monarchy consists of rule by a king or queen.