Based on the information why is it difficult to study the Amazon river dolphin

Amazon River Dolphins are extremely difficult to study. The Amazon River water is very murky which makes it hard to see them. Their conservation status is unknown because they are so difficult to study. However, it is estimated that they are on the brink of extinction. There are only 3 left in captivity.

Explanation:

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Bonjour !!

1- Je vais à la plage.

2- Nous allons au stade de foot.

3- Il va à la  piscine.

4- Vous allez au théâtre.

5- Elles vont à la bibliothèque.

6- Tu vas au parc.

ALLER présent

je vais

tu vas

il/elle/on va

nous allons

vous allez

ils/elles vont

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à + feminine sing. noun = à la

à + masculine sing. noun = au  (contraction of "à+ le")

à + plural noun = aux    (contraction of "à + les")

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hope this helps ☺☺☺