geologist - correct answer a scientist who studies the earth
landmass - correct answer A large area of land.
fossil - correct answer A trace of an ancient organism that has been preserved in rock.
theory - correct answer an explanation using an integrated set of principles that organizes and
predicts observations
Arctic - correct answer the regions north of the Arctic Circle centered on the North Pole
plate tectonic - correct answer A theory stating that the earth's surface is broken into plates that
move.
hurricane - correct answer tropical storm with violent wind and heavy rain
atmosphere - correct answer A mixture of gases that surrounds a planet or moon.
equator - correct answer an imaginary line that circles Earth halfway between the North and South
poles
troposphere - correct answer Bottom layer in the atmosphere - where we live, breathe . It is also
where all the weather occurs
stratosphere - correct answer the layer of the atmosphere that contains the ozone layer; temperature
increases as you go up