German declaration of Submarine Warfare
Zimmerman Telegrams
<u>Answer:</u>
<em>Oxygen levels would be higher, but carbon dioxide levels would be the same.
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<u>Explanation:</u>
The procedure by which living things convert oxygen and glucose to water and carbon, accordingly yielding vitality is called photosynthesis. It does not require the nearness of daylight and is continually happening in living life forms. Cell breath occurs in the mitochondria of cells.
Through these procedures, plants get the carbon dioxide they need, and living life forms get the oxygen they need. They are additionally crucial to the vitality trade that living things need to endure.
Paper and printing. Also the compass was a development from the Tang Dynasty as well
The argument of missile defense in the nation of Cuba is a non-starter because the USA will never willingly allow a nation that is so close to its territory, and is an ally of its arch enemy, Russia, to have such a defensive system installed, because it will also mean that Russia may use Cuba as its military base and threaten the USA territory at any moment, from close proximity, and also they will have a protection by any attack as a response.
True, the disease spread to the Aztecs greatly diminished their population, making them much easier to conquer.