Question

Mass : kg :: relative density:____

20.Cilia: ciliated epithelium: pillar-like:______

21.Aerenchyma: air space:: chlorenchyma:____​

Answer 1

1. no unit
2. columnar epithelium
3. chlorophyll

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Answer 2

$\huge\underline \color{gold}ANSWER$

✏ Mass : kg :: relative density: no unit

✏ Cilia: ciliated epithelium: pillar-like: Columnar epithelium

✏ Aerenchyma: air space:: chlorenchyma: chloroplast(containing chlorophyll)