Answer:
The air is really a mixture of many different gases, and each gas has its own properties. The composition of air is not constant. It can vary from time to time and place to place.
Answer:
The correct answer is option A. "Abdominal radiograph".
Explanation:
Abdominal radiograph, or abdominal x-ray, is a diagnosis tool at which an image of the abdominal cavity is obtained based on the exposure of a small dose of ionizing radiation. The patient described in the question could be suffering from different conditions based on its symptomatology. The first tool to help to make a proper diagnosis is to perform an abdominal radiograph, to see any internal evidence of the possible cause of the occasional bloody diarrhea and abdominal pain.
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:i dont know
any body know for 50 points?
Explanation: