Answer: A (physical property)
Explanation:
It says they both had clear liquids in each cup and since ice floats on water the only option that makes sense is A. There were no chemical, magnetic, or temperature tests made.
When oxygen is absent, anaerobic respiration occurs ('an' means without).
nearly perpendicular or closer to a 90˚ angle
The cell<span> is the basic unit of organization for most living things. Living things can be classified as multicellular, with many cells, or unicellular, having only one </span>cell<span>. Cells are the basic unit of life in both plant and animal cells.</span>