Answer;
Volcanic eruption.
Explanation;
Primary succession is most likely caused by volcanic eruption.
it occurs in lifeless areas; such as regions in which the soil is incapable of sustaining life as a result of factors like lava flows, newly formed sand dunes, or rocks left from a retreating glacier.
The other type of succession is called secondary succession which occurs as a response to disturbance; such as forest fire, tsunami, flood, among others.
The answer is They help control what enters and leaves the cell
It occurs in the first phase known as the Prophase. During this the chromosomes inside the cell’s nucleus condense to form tight structures.
The Krebs Cycle is involved in cell respiration and produces NADH and FADH2 for the electron transport chain. So your answer would be "<u>Release energy for making ADP</u>".
There in different orders.
