Answer: The cell responsible for the production and secretion of surfactant (the molecule that reduces the surface tension of pulmonary fluids and contributes to the elastic properties of the lungs).
Explanation:
Id say that the best answer is Loess. I say that cause loess means a loosely compacted yellowish-gray deposit of windblown sediment of which extensive deposits occur.
Hoped this helped ;)
The winds increases the higher elevations you go above sea level.
Answer:
Mammals first appeared
Explanation:
The dinosaurs became extinct one million years after the Cenozoic era started. The mammals first appeared as the modern culture first appeared in that era.