At prehistoric clamshell is buried bye sediment on the seafloor overtime the sediment turns to rock and the clamshell dissolves away this leaves behind a cavity in the rock that is shaped like the clamshell what kind of fossil is the clamshell shaped cat cavity

Mold fossil.

Explanation:

The clamshell shaped  cavity is a mold fossil owing to the fact that the clamshell died, its body deteriorated but while it is deteriorating it is being covered by sediment. As a result when the clamshell completely disappears it will leave an impression on the sediment, in other words, it is a mold of the prehistoric clamshell.  

question: which statement best describes the different properties of metals?

answer: they are shiny and bend without breaking.

since metals have certain characteristics properties, they include the following: they are ductile, malleable, shiny, hard, lustrous, flexible and they are good conductor of heat and electricity. so therefore, metals are not dull and they are not non-flexible as listed. instead, they are shiny and flexible.

hope this , have a good day. c;