Question

why alge green in colour​

Answer 1

Explanation:

Algae are green in colour because they contain a green coloured pigment called chlorophyll within their cells.

Answer 2

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Explanation:

Photoreceptors absorb light energy, and chlorophyll specifically absorbs energy from sunlight. Chlorophyll makes plants and algae appear green because it reflects the green wavelengths found in sunlight, while absorbing all other colors.