Answer:
an elastic wave in the earth produced by an earthquake or other means.
Explanation:
earthquake, surface
primary wave
;)
Answer:
the oxygen concentration decreases only when the air reaches the alveoli, which are the terminal branches of the respiratory system
Explanation:
The human respiratory system is responsible for taking in oxygen-rich air, and they expelling oxygen-poor air. The respiratory system consists of lungs, which helps in the exchange of gases: Oxygen and carbon dioxide.
The statement ''the oxygen concentration decreases only when the air reaches the alveoli, which are the terminal branches of the respiratory system'' explains the change in oxygen concentration of the inspired air
Answer:
Celestial ecliptic
Explanation:
In space seience , the ecliptic is really the conformance that represents the Sun's visible movement from around stars and planets over the span of a year; from some other perspective, it is the reflection on the celestial equator of Earth's orbit around the Sun. The constellation stars and planets are distributed around the ecliptic.