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What is the main goal of the experiment? (The Science of Sleep: Dream Recall)
To find out if age and gender affect dream recall
How many age groups were included in the study?
5 groups
How long did participants keep a dream journal?
2 weeks
Which group is more likely to recall dreams vividly?
College students and adolescents
What helps improve dream recall besides age and gender?
Sleeping at least 7 hours
How many hours of sleep are recommended for good health?
7 or more hours
What is a dream?
A nighttime story in your mind
When do people usually dream?
During sleep
Which sense is often involved in dreams?
Sight
Which gender may remember dreams slightly better according to the experiment?
Female
What is the main ingredient in the degreasing spray?
Pomelo peel oil
What chemical in pomelo peel helps dissolve grease?
Limonene
How long must the mixture be left to ferment?
15 days
What is a degreaser used for?
Removing oil and grease stains
Which fruit peel was used in this experiment?
Pomelo
What type of waste can pomelo peel be turned into?
Useful product
