Answer:
yaaa you knew that air is everywhere it moves
Answer:
is the surface where the water pressure head is equal to the atmospheric pressure
Explanation:
is the upper surface of the zone of saturation. The zone of saturation is where the pores and fractures of the ground are saturated with water.
The first step of DNA replication is the separation of the two DNA strands to create a replication bubble. DNA Helicase is what breaks the hydrogen bonds joining the two strands, allowing it to unravel.