Answer:
<u>Through trade with India and China</u>
Explanation:
After the Crusades trade links and connections between East and the West were strengthened. After the famous journey of medieval traveler Marco Polo to China Europeans became aware of the richness of that regions and the goods that could be imported.
When the famous <em>Silk road </em>was created the trade links were even more firm. This period lasted until the Ottomans conquered Byzantine Empire.
It is known that the increase or decrease of hormones causes a change in the sleep, as is the case of <u>melatonin</u>.
<h3>How do
Hormones influence
Sleep?</h3>
When a person goes to sleep at night, her body must increase the levels of melatonin cortisol in the blood so that the person feels tired and can sleep.
For its part, growth hormone at night has a gradual decrease, which causes the body to work less during sleep and allows the person to rest during their REM phase.
If you want to learn more about Hormones, you can visit the following link: brainly.com/question/13020697
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Some Scientists believe the missing carbon is going into the boreal forest. They are not sure because the boreal forest both absorbs and releases carbon dioxide. Scientists need more data, gathered from a large region over a period of time in order to come to any firm conclusions about the missing carbon.
Martin Luther King has an executive law of letting black people have peace..
