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Kitty [74]
3 years ago
6

How do scientists know dark energy exists?

Biology
1 answer:
harina [27]3 years ago
8 0

Answer:

they just asked it

Explanation:

yep

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Flagella provide motility to a sperm cell, cilia act as sensory "antennae" in many cells and microvilli Increase a cell surface area

<h3>What is flagella, cilia and microvilli?</h3>

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