Because a "forcefield", as defined in Science Fiction and comics, is a physical impossibility.
why scientists use models to represent earths process
What are two ways that's scientists can study earths climates history
seismometers
scientist use models to show or explain easier
it helps the scientists to predict future changes.
a. seismic waves b. volcanoes c. earthquakes d. rocks
helller
the mantle
helller
helller
geologist study the earths structure.
false