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.
Tips for a Cockatiel Bird Cage-Cockatiels fall inbetween a small and medium parrot, bar spacing between 1/2 to 5/8 is best.Be sure it does not exceed 3/4 - They like to socialize with their owner so consider a high visibility area of your home.- They are active so room for lots of toys is good.s a guideline, shop for a bird cage that is a minimum of 20 inches wide, 20 inches deep, and 24 inches height. Virtually any medium sized stand-up cage will work well for cockatiels.