Answer:
True
Explanation:
Survival of the fittest baby. The better the trait, the more likely a species is to survive.
Answer:
he human body contains many salts, of which sodium chloride is the major one, making up around 0.4 per cent of the body's weight at a concentration pretty well equivalent to that in seawater.
Explanation:
Between 5 and 90 hours :)
Answer: <span>hyaline cartilage rings
Hyaline cartilage rings in a shape of a C prevent the tracheal wall from
collapsing inward and obstructing airway (during inhalation). Posteriorly (</span><span><span>open portion of each ring) </span>there is not cartilage but there is muscle so that the esophagus can stretch (the </span>esophagus is behind the trachea).
