Question

الد
TEXTBOOK EXER
I. Choose the correct answer.
1. The size of an air bubble rising up in water
(a) decreases
(b) increases
(c) remains same
(d) may increase or decrease
2. Clouds float in atmosphere because of their low
(a) density (b) pressure​

Answer 1

Explanation:

) may increase or decrease

Answer 2

Explanation:

1 . d may increase or decrese

2 . a density