Answer: vit D
Explanation:
To help strengthen bones.
Answer:
True because pasteurisation is the process of killing germs by boiling and cooling
Answer:
writing environmental regulations for businesses and people to follow
Explanation:
The flu is spread every 30-45 years since the 16th century, so we know when to prepare and how to do it. Also, we have learned where it will strike and the containment. Hope this helps! :)
