Rachel finds that she gets distracted when she is trying to complete her homework. Explain how she could use these steps of the engineering design process to address the problem: Conduct research.
Test the design.

focus on work.

Explanation:do what you are supposed to.

maritime tropical may be your answer.

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.