The answer is a. I learned about this in psychology.
An Igneous rock can change from sedimentary to metamorphic and back again or vice versa.
<span>Metamorphic rocks form from heat and pressure
</span>Sedimentary rocks<span> are </span>formed<span> when sediment is </span>deposited out<span> of air, ice, wind, gravity, or water flows carrying the particles in suspension.</span>
