1 which of earths spheres contains most of its mass?
A atmosphere B hydrosphere C geosphere D biosphere 2 erosion and weathering are examples of which types of forces?
A constructive forces B destructive forces C gravitational forces D inertia-related forces 3 which of the following statements about earths atmosphere is true?
A earths atmosphere contains 78% water vapor which is essentail to life
B earths atmosphere contains 21% oxygen C earths atmosphere contains carbon dioxide which all life forms require
D earths atmosphere allows radiation from the sun to pass through it and warm earths surface
4 the strenght of the force of gravity between two objects is determined by which of the following factors? select all that apply
A the messes of the objects B the distance between the objects C the volumes of the objects D the surface area of the objects 5 earth and moon are kept in there respective orbits due to the influence of
A inertia B gravity C gravity and inertia D neither gravity or inertia *= my answer
A atmosphere B hydrosphere C geosphere D biosphere 2 erosion and weathering are examples of which types of forces?
A constructive forces B destructive forces C gravitational forces D inertia-related forces 3 which of the following statements about earths atmosphere is true?
A earths atmosphere contains 78% water vapor which is essentail to life
B earths atmosphere contains 21% oxygen C earths atmosphere contains carbon dioxide which all life forms require
D earths atmosphere allows radiation from the sun to pass through it and warm earths surface
4 the strenght of the force of gravity between two objects is determined by which of the following factors? select all that apply
A the messes of the objects B the distance between the objects C the volumes of the objects D the surface area of the objects 5 earth and moon are kept in there respective orbits due to the influence of
A inertia B gravity C gravity and inertia D neither gravity or inertia *= my answer
