The molluscs look so different, and yet we can tell they are related because they all:

The many volcanoes located along the edge of the pacific ocean make up the ring of fire. how does subduction play a role in the volcanic activity in the ring of fire?

Fossils can only be formed when? if mud, silt or tar is in the area to preserve the fossil ierosion does not occur and allows the fossil to form oxygen and microorganisms cannot decay the bones the area is dry and does not contain mud or silt

Suggest why placing wheels under a heavy box reduces the neccessary force required to push it along at a constant speed.