"Brain" is the main sense organ for each 5 senses 'cause it acts on them, and send a information of task for in-rsponse
Hope this helps!
Examples:
Respiratory System, (I think) Organ System, Circulatory System, Nervous System, etc.
Answer:How could you turn "sedimentary rock" into "igneous rock" without going through the metamorphic stage? You could heat it until it melts instead of changing the rock through heat and pressure first and then melting it. Lava would melt the sedimentary rock.
Explanation:
The answer for apex is - A crop disease becoming resistant to medicine-.
