Answer: ozone concentration
Explanation: The Dobson Unit is the most common unit for measuring ozone concentration. Becuse ozone concentration is hard to measure they use The Dobson Unit.
Answer:
Fungi is the answer of your question
Answer:
The baby is a male. XY = male, XX = female.
Explanation:
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Examples of physical changes in properties are melting, transition to a gas, crystallization, etc