Answer:
Darwin noted that not all offspring that are born survive, that there is variation in the population, and that there is a struggle for survival.
Explanation:
The theory of evolution, proposed by Darwin, is based on some key points: common ancestry and natural selection, which proposes that the most suitable organisms survive. In any group of species, all individuals have common ancestors at some point in evolutionary history. Thus, they are descendants of them with modifications and result from natural selection.
The factor that was a barrier to Italian unity was A. different dialects of Italian were spoken throughout Italy
<h3>Why did it take long to unite Italy?</h3>
The Italians were only united into a single nation in the 1800s and before that had existed as a number of several nation - states such as Genoa, Venice, and Piedmont - Sardinia.
The reason it was so hard to unite them was that there were different dialects of Italian were spoken throughout Italy which led to people identifying with different regions and not wanting to come together centrally.
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The answer is A. As those are the two diplomats who signed it. Molotov is the Soviet, and Ribbentrop the German.
It stands for United Kingdom
