Accurate measurements have been collected for more than a century.
The answer is Option D., International Space Station. Gemini and Mercury were for only orbiting around the earth, and apollo was for orbiting around the moon.
False. malaria is a life threating condition. Doctors will prescribe you medicine based on you parasite. in some cases medication prescribed will not clear you of the affection, you will have to take more then one medication
Democracy and Communism, they are different in many ways including the infrastructure of the government, democracy is a by the people for the people type of system while communism is a system where no matter who you are or what you do you get equal pay with everyone else, this means a doctor will get paid as much as a street vendor, one of the only ways they are similar is that the people have the power and are the main focus of each system and are thought to empower and unite the people
The Great Wall of China (:
Hope this helps!