"The principle of superposition states that the oldest sedimentary rock units are at the bottom, and the youngest are at the top."
Oldest to youngest: Layer B, Layer C, Layer A
The oldest is always at the bottom, the youngest layer is at the top
Answer:
B. Contains the male gametophytes
Explanation
The male cones release their pollen, which is carried around the air by blowing wind, and hopefully to another female pine cone on a different pine tree. Sorry this isn't under 20!
The car traveling 8 m/s. Good luck.
Answer:
It chloroplast
Explanation:
contains chlorophyll which traps energy from the sun.
