Réponse publiée par: taekookislifeu
Réponse publiée par: girly61
The importance of reproduction in our ecosystem is,they added the population in the ecosystem,and it is the best way to prevent the extinctions of some species,which is now very relevant.
Réponse publiée par: cyrilc310
it will float beacause there is no gravity and friction
beacause i learned it in science
Réponse publiée par: ian2145
echo is a reflection of sound that arrives at the listener with a delay after the direct sound.
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