1. What are the effects of nitrogen on flowering branches??

The effect will be "incredibly weak".

Explanation:

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.

the growth of the plants is affected by the heat of the light. what is the student doing?