The answer is B) prime meridian
It is the opposite of the equator. If you need more of and explanation please just ask.
Answer:
It passes through a structure called Ostia that makes the valved chambers for hemolymph to flow. From the Ostia into the aorta and then the hemolymph is flushed out in front of head.
The answers are 5,build,rock,%84,molten but thats alli know so far
