I wanna say D, but I’m not entirely sure
Intercostal Muscles
The muscles of respiration
are muscles that contribute to exhalation and inhalation by causing the contraction
and expansion of the thoracic cavity. However, diaphragm is the main muscle of breathing
while intercostal muscles is one of the most important muscles for respiration.
Intercostal muscles function by manipulating the width of the rib cage and they
are attached between the ribs.
Ducklings follow their mother due to imprinting.
Answer:
UV Radiation and smoking?
Explanation:
I would say Satellites. Satellites are the only thing here I see can measure things globally, the rest is more regional.