Answer: Altricial young are born helpless and require care for a length of time. Altricial birds include herons, hawks, woodpeckers, owls, cuckoos and most passerines. For example, with ground-nesting birds such as ducks or turkeys, the young are ready to leave the nest in one or two days.
Explanation:
Answer:
The answer is the second option.
Es el proceso de circulación del agua entre los distintos compartimentos que forman la hidrosfera.
Aquí te dejo el ciclo del agua
The correct answer is A.
According to the principle of superposition the youngest rock formed lies at the upper layer and the oldest rock are found at the lowest of all the layers. The principle of superposition states that the layer of rock that is formed first lies at the bottom and the layer that is formed upper after that lies at the upper and is the newest layer of rock.