If a Reaction Involving Hadrons Were Written at the Quark $\overline u { \text { d } } + \text { uud } \rightarrow \mathrm { d } \overline { \mathrm { s } } + \text { ? }$

question 49

Multiple Choice

If a reaction involving hadrons were written at the quark level as $\overline u { \text { d } } + \text { uud } \rightarrow \mathrm { d } \overline { \mathrm { s } } + \text { ? }$ ,what is the quark composition of the unknown last particle?

• A) udd
• B) \(\text{ ud}\overline { d}\)
• C) uds
• D) \(\text { ud}\overline { s}\)
• E) More information is needed.

---

Definitions:

Nasopharynx

The upper part of the throat located behind the nose, an area that connects the nasal cavity to the throat and plays a role in respiration and speech.

Hypopharynx

The lower part of the pharynx that sits behind the larynx and connects to the esophagus, involved in the passage of food and air.

Laryngopharynx

The lower part of the pharynx, located near the larynx, that facilitates the passage of air to the lungs and food to the esophagus.

Digestive Enzymes

Proteins secreted by the digestive system that break down food into nutrients that can be absorbed by the body.