Answer:After puffing off its outer layers, the star collapses to form a very dense white dwarf. One teaspoon of material from a white dwarf would weigh up to 100 tonnes. Over billions of years, the white dwarf cools and becomes invisible.
Explanation: googel hope it helps
Carbohydrates, lipids, proteins, and nucleic acids.
Answer:
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Explanation:
Phytoplankton are the autotrophic components of the plankton community and a key part of ocean and freshwater ecosystems.
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I agree with the other person you answered the answer is B duckweed growth
