Answer:
its f. u. c. k. e. d it up
Explanation:
Answer:
Cambrian
Explanation:
The earliest ancestors of about half of all extant animal phyla can be traced back to the CAMBRIAN explosion.
Answer:
carbón, mineral de hierro, manganeso, mica, bauxita, cromita, piedra caliza, gas natural, diamantes, petróleo, cobre, zinc, oro
Explanation:
