The answer to your question is ''ice forming and then melting back into water''
Answer:
The pressure is so great at the inner core that it causes atoms to push together.
Explanation:
The answer is B: G2 checkpoint.
Cell cycle checkpoints are control mechanisms necessary for proper cell division. In the cell cycle, there are two checkpoints: the G1 checkpoint and the G2 checkpoint. The G1 checkpoint is right before the S phase, and G2 checkpoint is right before the M phase.
The G2 checkpoint is a DNA damage checkpoint and if DNA is damaged, entering the cell cycle is delayed before mitosis (M phase).
1 Only
Archaea are single celled organisms that lack a nucleus and are the most basic life forms on Earth. A common way of killing MOST bacteria is extreme heat so the answer to this is 1 only. There are not many bacteria that can survive extreme conditions.
