Common physical reactions that could be easily confused for a chemical reaction?

What was the procedure by which case united states vs lopez went to court

About 70 percent of the earth's surface is water-covered, and about 96.5 percent of all earth's water is salt water. identify the watery feature on earth that is made of freshwater rather than salt water. a) bay b) glacier c) ocean d) sea it is not incomplete this is the true question

Chromosome 17 is made of over million base pairs.