1)
What is the meaning of "b'Ametzo Shechakim mi'Ma'al"?
1.
Malbim: Shechakim always refers to a wonder above nature of the Ma'arachah, which is drawn after our Shamayim. The revelation of the dry land was against the first nature that the land be covered with water. Hashem invigorated Shechakim in order that this wondrous conduct emerge.
2)
What is "ba'Azuz Inos Tehom"?
1.
Rashi: When the springs of the Tehom overpowered.
2.
Malbim: The element of air was separated from the element of water.
