cierra3678
05.01.2021 •
Biology
Why do the crocodile and whale bring their head repeatedly on air?
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Ответ:
They have lungs.
Explanation:
Whales and Crocodiles use lungs to breathe (like us humans) rather than gills so, they need to come up to breathe.
I hope this answered your question, my first language is not english.
Ответ:
A. the atom is made up of the mostly empty space with tiny, dense, positively-charged nucleus.
Explanation: