They drill holes and bring up samples of rock and study how seismic wave move through the earth.
Generally the soil in tropical areas is acidic so they would have to be adapted to the soil
wow thats tricky................ i think its asymmetrical or radial
Answer:is a transfomation of a per existing rock
Explanation :Marble ,Slate.
The answer is <span>neurohormones; releasing; inhibiting</span>
