Answer:
Carbon dioxide is the waste released
The cycle of heating, rising, cooling and sinking is called a convection current. These currents are caused by the very hot material at the deepest part of the mantle rising, then cooling, sinking again and then heating, rising and repeating the cycle over and over.
Answer:
DNA polymerase is limited by the fact that:
1. it cannot add nucleotides in a 3' to 5' direction
2. it cannot initiate synthesis on its own.
Explanation: