Answer:
Humidity is the amount of moisture (water vapor) in the air. It can be expressed as absolute humidity or relative humidity. Absolute humidity is the mass of water vapor divided by a unit volume of air (grams of water/cm3 of air).
Answer:
true, true, true, and false
Explanation:
Iron filings can be attracted by the magnet whereas salt can not. So the mixture can be separated by a magnet
