It would be placer because you are not digging up any ground..if that is not right it might be none because if you are messing with water environments you are still messing with it which could not be good
Answer:
I think that answer is right
Explanation:
Answer:
Viruses: stay the same
Infected cells: Increase
Unaffected cells: decrease
Explanation:
Answer:
Hematite
Explanation:
The iron content of the mineral gives it a red hue after it has spent a long time exposed to air and moisture
