<span>This means the buoyancy or upward force is 3kg. Mass - buoyancy = apparent mass so 9.3 kg - 3 kg = 6 kg</span>
Answer:
<u><em>A waterfall is an erosional landform, which occurs where there is a layer of hard rock on top of a layer of softer rock. Erosional processes such as hydraulic action and abrasion occur as the river flows downstream, however differential erosion takes place as the softer rock erodes faster.</em></u>
Explanation: