Answer:
A. Student A because it requires a hypothesis
Once the Earth was full of water (ocean) after volcanic activities the mainland became land ( sorry about my english i am hungarian and i am still learning the language )
Birds have great vision and can see throughout night and day
Mr. Turner, my American history teacher, taught us about the U.S. home front during WWII. Enjoy!
Answer: <u>Aphotic</u><u> </u><u>zone</u>
less than 1% of sunlight penetrates the depths of the waters in the Aphotic zone