As the block slides down the ramp, how do you expect the gravitational potential energy and kinetic energy of the block to change?

Your question is not clear but if you can explain yourself i would be glad to .  just trying to : ))

Answerd. may include all of these are many definitions of bases: the  brønsted-lowry definition of acids and bases says that bases are proton acceptors.the arrhenius definition of acids and bases says that bases increase [oh⁻] in solution (thereby producing oh⁻ ions)the lewis definition of acids and bases says that bases donate electron pairs.therefore, the sensible answer is that a base may include all of the described characteristics.

Hello.the answer is  hydrosphere, geosphere, and biosphere  have a nice day