Answer: A) this means the rock formed at the time when different plants and animals were alive.
D. Cambodia (mostly), Thailand, Vietnam
Answer:
In Latin American history, the pre-Columbian era refers to the time before the arrival of European explorers and colonists.
Explanation:
Explanation:
after earth cooled down from being a large ball of molten lava , the water vapour in gaseous state turned into liquid and it poured rain for thousands of years filling all the oceans we see now and as the rocks were filled with salts and minerals the ocean became salty
