A.......................................................
folding or tilting of rock layers, followed by renewed deposition.
Answer:
Scientists use waves to study the different layers of the earth. Usually, they use seismic waves, which are waves generated by earthquakes or nuclear-test explosions. The seismic waves are bent, sped up, or slowed down, or even reflected when they pass through the earth's layers.
Explanation: GOOD LUCK
An infrared thermometer is a thermometer in which infers temperature from a portion of the thermal radiation