Answer:
firsthand: coming from experience from a work background or personal experience.
Example: "I have no firsthand experience working with this"
secondhand: been given from a previous owner, by force/gift.
example: "I inhaled secondhand smoke from someone next to me that was smoking."
Source: A source is like a blog when researching information
example: I had to cite my source in MLA format
There is no end of the world. It is round and lasts long
Answer:
Correct answer is Required school children to learn one or two other languages besides their native language.
Explanation:
The only correct answer is the last option as on schools across Europe besides their Native language children are using additional language(s). It is usually English outside the country where English is first language and depends on geographical location.
All other options are not correct as they are depriving people from their basic human rights, which the laws of EU are not allowing.