What forms the dust and gas tails of a comet?
a. the solar wind
b. the Sun's gravity
c. the comet's motion
d. the freezing of the corona

What's erosion? a. the breakdown of rock into smaller pieces b. the removal of weathered products from rock c. a change in rock resulting from exposure to water d. a chemical change in rock that weakens it

Wegeners theory of continental drift states that the continents have changed throughout history while the theory of plate tectonics

Physical features of central america look at the map above which of the following is true