A. The pressure is lower as you gain altitude because there are more molecules of oxygen and nitrogen. B. The pressure is lower as you gain altitude because there are less molecules of oxygen and nitrogen. C. The pressure is the same because there is no change in the number of molecules.
The price of a cockatiel depends on a few factors. Firstly the price depends on whether or not the bird is tamed. For a tamed cockatiel it would cost around $80 - $120 and a untamed cockatiel would cost $15-$30 (AUS) Also the colouring of the cockatiel plays a part in the cost of the bird, as more rare colours (such as lutino or pearl cinnamon) may increase the cost of the cockatiel.
Top 10 Cockatiel Question #4 What kind of bird cage should I get for my pet cockatiel? Cockatiels are active pet birds, so your cockatiel needs a spacious bird cage. Opt for a bird cage that is at least 24 inches wide by 24 inches tall with Â½ to 1-inch bar spacing.Look for a bird cage that is easy to clean and maintain (pull-out tray, food and water dishes that are accessible from outside the bird cage).es, cockatiels are parrots. Cockatiels (Nymphicus hollandicus), have the characteristic features of parrots: a curved hookbill and zygodactyl feet (two toes pointing forward and two pointing backward). These small parrots are native to Australia, and are closely related to cockatoos.