Robert and Anna discuss a performance review. Robert asks for more details about a complex biology issue. Anna explains her work clearly.
Vocabulary:
Chlorophyll: A green pigment in plants that helps absorb light.
Species: A group of similar living organisms.
Experiment: A test to study something carefully.
Soil: The top layer of earth where plants grow.
Absorb: To take in or soak up energy or liquid.
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