Statistical data relating to the population and particular groups within it.
Answer:
Typically, strong acids and bases, solutions with a pH < 2 or a pH > 12, and some solvents, such as formic acid, glacial acetic acid, and trifluoroacetic acid, which are particularly aggressive against tissue.
Explanation:
So you know that your measurements are exactly correct.
Answer:
b
Explanation:
some are the same while others are different (traits)
Cl has nonmetallic properties