What type of weathering has the greatest affect om earth's surface

Afeather of mass 0.001 kg falls from a height of 2 m. under realistic conditions, it experiences air resistance. based on what you know about friction, what can you say about the kinetic energy of the feather as it reaches the ground? acceleration due to gravity is g = 9.8 m/s2. a. ke < 0.0196 j b. ke = 00196 j c. je = 0 j d. ke > 0.0196 j

Which compound is held together by the electrostatic force between two ions? a. co2 b. cci4 c. h2s d. mgf2

State the following: boyle's law and charle's law