 
<translate> Eziokwu ahụ bụ na afụ ahụ buru ibu apụtachaghị na ọ dị 20 ụkwụ n'ịdị elu. Ya mere, azịza ya bụ na ọ gaghị ekwe omume ikwu. <eng> The fact that the bubble is large doesn't necessarily imply that it is 20 ft tall. So, the answer is it is not possible to tell. 