Answer:
Q6. scientists can monitor volcanoes to estimate when they are likely to erupt. Scientists can use a variety of techniques to do this, such as: seismometers - used to measure earthquakes occurring near an eruption. tiltmeters and GPS satellites – these devices monitor any changes in landscape. These signs may include very small earthquakes beneath the volcano, slight inflation, or swelling, of the volcano and increased emission of heat and gas from vents on the volcano,
Q7 They may need to move or they may need to evacute because when a volcano erupts it kills people and animals and burns every thing in its way. one way a volcano can kill someone is the thick ash clouds which make it hard to see and survive through.
Step-by-step explanation: