Karlheinz Brandenburg's work led to the invention of MP3 files. These files are now used to store music and
podcasts on digital devices such as computers and
smartphones
Which want or need was he most likely trying to meet when he developed this
wave technology?
O A Away to prevent the illegal recording and sharing of files over the
Internet
OBA way to make digital journalism interesting to a larger audience
C Away to make music files small enough to share easily over the
Internet
D A way to make museumstruments affordable to more people

Plz me ! 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 if you answer all questions right i will give