<span>The answer is a. you may drive in a lane under a green arrow.
Overhead lane signals have 2 options. 1) green arrow and 2) red cross.
Green arrow means driver may use the lane under the signal.
Red arrow means driver must not drive on the lane under the signal.
In the event that the green arrow changes to red cross, you can change lanes and use the one under the new green arrow.</span>
Answer:
Gravity can make large volcanoes warp under their own weight in two ways: they can either spread outward on top of their " basement " of underlying rock or sag downward into that basement. The way volcanoes deform strongly influences the stability of their structures, and when and how they erupt.
Explanation: