Examlex
Which of the following refers to a molecule of water in which the hydrogen atoms contain a neutron?
Knotted Strings
A method of recording information or sending messages, historically used by various cultures, involving the arrangement of knots on strings.
Writing
A system of symbol representation used to express thoughts, language, and communication in a durable form.
Farming Methods
Various techniques and practices used in agriculture for the cultivation of crops and raising of livestock, including but not limited to organic, conventional, and sustainable agriculture.
Eurasia and Africa
The combined continental landmass of Europe and Asia, and the second-largest continent, Africa.
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