Of course Arabic.
The predominant language spoken in Palestine is Arabic.
Currently, ARABIC is the dominant language in Palestine. Historically, depending on the century in question, there were other lingua francas in use.
Ancient Arabic (not very different from the modern Arabic) was the native language of Muhammad (Peace Be Upon Him)
No, Israel and Palestine do not speak the same language. Israelis primarily speak Hebrew, while Palestinians primarily speak Arabic.
English was an official language in 87 nations and territories by 1994. It is still the language of commerce in many nations of the world.
Yes and No. Canaanite was once the predominant language in the land of Israel, but Israel was renamed Palestine in the year 70 CE, well AFTER canaanite ceased to be spoken.
Accounting is often referred to as "the language of business."
Israel Amikam has written: 'Memorandum on the violation by the department of posts and telegraphs of the government of Palestine of the right of the Hebrew language to equality with the other official languages of Palestine' -- subject(s): Hebrew language
Muhammad Ahmad Mazhar has written: 'Arabic' 'Arabic, the source of all the languages' -- subject(s): Origin, Arabic language, Language and languages
Muhammad Hj. Abd. Latif has written: 'Kamus jauhari' -- subject(s): Arabic, Arabic language, Dictionaries, Malay, Malay language
Muhammad I. Ashrif has written: 'English Mandinka dictionary' -- subject(s): Dictionaries, English language, Mandingo
Robert Lenoir has written: 'The\\\Language of Business Dictionnaire Commercial et Economique Bilingue' 'The language of business' -- subject(s): Business, Business English, Business French, Dictionaries, Economics, English, English language, French, French language