Answer:
It has special items in the substance that are specialized for whitening and preventing things such as cavities.
Explanation:
Answer:
Autotrophs are known as producers because they are able to make their own food from raw materials and energy. Examples include plants, algae, and some types of bacteria. Heterotrophs are known as consumers because they consume producers or other consumers. Dogs, birds, fish, and humans are all examples of heterotrophs.
The discovery of cells as the basic unit of life
Broken Glassware
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