Chalk is a soft white powdery limestone that's made with fossil shells of foraminifers. Chert is a hard dark opaque sedimentary rock which is made of silica with an amorphous fine grained texture.
They got all them teeth but no toothbrush. The correct answer is. Because medulla oblongata.
They morphed into cartels and monopolizes. Corporations began to emerge around this time.
This is an example of a closed system
Answer:
A
Explanation:
cuase dependent population and high although there is more population but job opportunity will suddenly lack and it also has less land soo
