Scientists can determine the age of a layer of rock

a)examining the fossils within it.
b)identifying the minerals within it.
c)studying how it has been affected by erosion.
d)comparing the size of one layer with other layers.

B) Identifying the minerals within it

Explanation:

Geologists commonly use radiometric dating methods, based on the natural radioactive decay of certain elements such as potassium and carbon, as reliable clocks to date the age of rock layers.

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;