Answer:
this happened over 154 yrs ago.. major animal phyla started appearing in the fossil record
where is runny lava found
a. on a continental plate
b. on an oceanic plate
Answer:
A. Continental plate
Explanation:
A continental plate is where most volcanoes are and it is the layer that humans live on
How were the Sumerians able to create a surplus of food?
Answer:
Digging of irrigation canals to irrigate their fields allowed for growing better and more crops. food surpluses allowed people to do other work than farm. this meant that they had enough food to survive in extra to trade with.
Explanation:
Hope this helped Mark BRAINLEST!!!!