Answer:
controlled by the Arabs, who brought frankincense and myrrh by camel caravan from South Arabia.
There is no chemical change
Answer:
Land resources such as gravel and bedrock are used to construct buildings, roads, and sidewalks. Land is also where city structures—such as buildings, roads, and sidewalks—are constructed. People use land resources such as bedrock and aggregate to construct buildings, roads, and sidewalks.
I hope this answer helps
Chemical,when you light a match stick, you are starting a chain reaction of the substance chemical formula, making it a chemical change
