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2. A liquid or powder used for washing clothes or dishes.
3. A natural chemical produced by animal and plant cells that helps reac-
tions and other processes to start.
4. A substance in food such as meat, eggs, and milk that people need in
order to grow and be healthy.
5. The smallest part of a living structure that can operate as an independent
unit or an individual unit inside a structure consisting of many similar units.
Достарыңызбен бөлісу: