Use the following diagram to answer the question. What part of the respiratory system is labeled 4?

1 lung
2 diaphragm
3 nasal cavity
4 trachea

The drawing represents the movement of particles in a substance. what changes of state can this substance undergo

Asa choose the correct set of reaction coefficients to properly balance the following chemical equation according to the law of conservation of mass: __s8 + __o2 ==> __so2 1, 1, 8 1, 8, 1 1, 8, 8 8, 1, 1

When would a bouncy ball have the most potential energy