Because they have no word for "it." Everything in the French language is either a boy or a girl.
In French, nouns have gender (masculine or feminine) which is a grammatical feature. There isn't a specific reason why certain nouns are masculine or feminine, it's just a part of the language's structure. Learning the gender of nouns is important for correct grammar and agreement with other parts of speech.
masculine
Douce is feminine. The masculine is 'doux'.
La salade is feminine
In French, "croissant" is a masculine noun.
The word "disques" is masculine in French.
Feminine
masculine
La salade is feminine
Douce is feminine. The masculine is 'doux'.
feminine
masculine
Feminine
balle is feminine in french / ballon is masculine
In French the country Mali is masculine.
It's masculine. Beef in French is le boeuf.
The word "disques" is masculine in French.
directeur → masculine directrice→ feminine