9.organ system, 10. organ level I guess.
Answer:
intrusive igneous rocks cool from magma slowly because they are BURIED beneath the surface extrusive igneous rocks cool from lava rapidly because they form at the surface and the meaning of those words are simple intrusive means inside of something like interior and extrusive means outside which is like exterior
An estuary is partly enclosed coastal body of water with one or more rivers flowing through it, and with a free connection to the open sea. it would be more of a collection. hope this help have a great day.
