I think they are all examples of minerals. They come in vitamin for though.
hope this helps!
Answer:
Epidemic or pandemic
Explanation:
Both mean a disease that has infected many people, but pandemic is probalby your best bet. I do not know for sure but this is what I would answer. Hope this helps!
It means 50% more in the designed projects
Answer:
The blood picks up co2 and also waste from the tissue. So I am guessing that it is co2.
Hope this helps.
