Answer:
Scourge
Explanation:
Scourge is something or someone that causes suffering. It can be in the physical sense like pain and torture, or it can be in the form of emotional and psychological pain. Scourge is not limited to physical beings or things, it can also be events or situations like droughts, diseases, earthquakes.
Animal, plant and fungus-like protists
Because freezing will often burst the cell walls and destroy tissue. The crystals of ice are very sharp and hard to control AFAIK. Note what happens to a banana or many types of fruit after you dethaw — it becomes all mushy and not of the same structure, fiber and cell form as before, like a bad beam up in Star Trek.
A reasearcher must only measure one variable at atime,and using a scientific control group gives reliable baseline data to compare their results with.
White Blood Cells could be a possible answer. Not sure if this is multiple choice or not.
