Answer:
a travel because of emitions
Answer:
Larynx
Explanation:
The Larynx is an organ of the body located at the anterior of the neck. It is also called the glottis or the voice box. The larynx is the air passageway or structure that connects to the trachea, it directs air into the lung and hence aids breathing. This organ is responsible for sound production, breathing and helps to prevent pulmonary aspiration. The larynx comprises of the vocal folds which plays an important role in speech and singing; in making of sounds the larynx muscle regulate the tension and the length of the vocal folds in order to tune the tone and the voice pitches.
Climatic variations and Human activities , i don’t know the third reason ..
B
Publish his findings in a research journal because he is experimenting what medicinal properties can be tested or are associated with the plant. He should have kept the notes in a research journal for making observations so B.