Why did Mitch tell the Hermes' crew about the mission without Kapoor's ok?

The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island

Which of the following is not a means to accelerating? question 4 options: a)increase speed b)remain still c)decrease speed d)change direction

Why does the liquid rise up through the dip tube when the valve is open