Question

2. Clouds float in atmosphere because of their low
(a) density (b) pressure
(c) velocity (d) mass.

3. In a pressure cooker, the food is cooked
faster because
(a) increased pressure lowers the boiling point.
(b) increased pressure raises the boiling point.
(c) decreased pressure raises the boiling point.
(d) increased pressure lowers the melting point.
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Answer 1

Answer:

2. A

3. B

Explanation:

2.As the rule of thumb, you can assume that the things with less density float on things with higher density. And water do have less density than air that's the reason clouds float in the atmosphere.

3.Food is cooked more quickly in a pressure cooker because at the higher pressure (1 bar/15 psi), the boiling point of water rises from 100 °C (212 °F) to 121 °C (250 °F). ... Pressure cooking requires much less water than conventional boiling, so food can be ready sooner.

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Answer 2

Answer:

Actully all south actors and actresses are best

Bollywood is very bad

Recently I watched Master ,Soorarai Pottru in hindi Beacuse I am from northern side both movies are like master piece but bollywood is like dustbin