Option b. 100+
Some birds are nomadic in winter, others spend the colder months in the southwestern part of the continent or in the Mediterranean region. Geographical conditions determine several main routes. The Alps are an important barrier to migratory birds. About 150 travel westward and southwestward; others travel southeastward.
Greek culture continued its influence long after the region became part of the Roman Empire, in the 100's BC. But it was when Roman emperor Constantine the Great moved<span> the capital of the Empire from Rome to Byzantium and renamed it Constantinople (Istanbul today), in 330 AD, that the Byzantine Empire really began.</span>
They store extra water to use during the dry winter monsoon.
Since during the summer monsoon they get more water than needed, they have the availability to store for winter when it's dried.
Thus, during the summer monsoon, they manage their water to prepare for the winter.
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Answer:
Limestone and marble can be dissolved by weak acids in rain.
Explanation:
Limestone and marble weather faster than granite because they can be dissolved by weak acids in rain.
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