Carbon dioxide + water -> glucose and oxygen
So, the answer would he 'A carbon dioxide and water combine and produce sugar and oxygen'.
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Because the prefrontal cortex is still developing, teenagers might rely on a part of the brain called the amygdala to make decisions and solve problems more than adults do. The amygdala is associated with emotions, impulses, aggression and instinctive behaviour.
Answer-
All the bonds are hydrogen bonds and this bond is strong