An object is in motion if its distance relative to another object is changing. To tell if an object is moving, you use a reference point. If an object's distance from another object [reference point] is changing. A place or object used for comparison to determine if something is in motion.
I'm not too sure if this is what you needed go know, I hope it helped
Answer: B
Explanation: And why are you searching up the answers if thats a MapTest -_-
Answer:
D. bronze is made of metals copper and tin.
Explanation:
an alloy is a material that is a mixture of two or more metals
Plates at our planet's surface move because of the intense heat in the Earth's core that causes molten rock in the mantle layer to move. It moves in a pattern called a convection cell that forms when warm material rises, cools, and eventually sink down. As the cooled material sinks down, it is warmed and rises again.
5: the parasite and the host need each other