Answer:
The population first grows, stabilizes, and then declines.
Explanation:
A researcher is studying a population with a unique age structure. An age structured histogram he has developed over the course of several decades has undergone transformations in shape, from a pyramid shape to a roughly rectangular shape to an inverted pyramid shape (where the base is narrower than the top). The population first grows, stabilizes, and then declines.
<span>When the surface layer was dug up, the permafrost was exposed. When the weather warmed, this exposed permafrost would have melted and become soggy, causing the ground underneath the tracks to shift.</span>
C. Condensation and Evaporation are the two ways in which energy is transferred between layers of the atmosphere.
B ecosystem. They include abiotic factors and biotic factors.
Answer:
i have no clue, but nobody likes the virus.