Warm currents move from the equator to the poles.
Answer:
I believe it is #4! Graphite
Explanation:
Because stone is a heterogenous mixture and graphite is a type of stone!
In commensalism, one organism benefits from the relationship while the other species involved neither benefits nor is harmed. The benefits for one organism can be in a variety of forms, including food, shelter, transportation and seed dispersal.
The purpose of the right ventricle is to passes blood to the pulmonary artery, which then sends it to the lungs to pick up oxygen
