The history of the world according to corn - 12/6截止

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Which of the following is the synonym of "synthetic"?

• Natural

• Artificial

• Genuine

• Original

Our Chicago branch ___________ over twenty-five percent of our total revenue.

• makes up for

• turns into

• accounts for

• dives into

Choose the picture that matches the word "obesity".

• 
• 
• 
• 

According to the video, what would be possible outcomes if we keep growing one single breed? (Choose 2 options)

• Healthier diet

• Lack of biodiversity

• Advanced species

• Vulnerable ecosystem

According to the video, how did the Europeans find "maize"?

• The Mesoamericans strongly recommended them to try some.

• The Mesoamericans used maize to exchange some other crops with the Europeans.

• The Europeans found it because of books.

• Since European crops couldn't grow on American soil, they had to adapt to the new diet.