The volume temperature A. of a given mass of a gas will be doubled at atmospheric pressure if the of the gas is changed from 40 °C to: B. 353Cº 300°C lafil. 0 C. 423°C D. 80° C

Answer:

105°

Step-by-step explanation:

Let missing value be= w

75° + R + W = 360°

since R make a straight angle, R=180°

75°+180°+W= 360°

=255°+W=360°

W=360°-255°

   = 105°

Hence, The missing value measures 105°

Answer:

Explanation:

(i) Started business with cash Rs. 50,000 and goods Rs. 30,000.

(ii) Purchased goods for cash Rs. 30,000 and on credit from Karan Rs. 20,000.

(iii) Goods costing Rs. 40,000 were Sold for Rs. 55,000.

(iv) Withdrew cash for personal use Rs. 10,000.

(v) Rent outstanding Rs. 2,000.

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The process of respiration in humans is the air being drawn into the lungs by the process of breathing.

When an individual inhales the diaphragm moves down and the chest cavity expands so the oxygen rich air is drawn into the lungs.

When the individual exhales the diaphragm relaxes and the chest cavity moves back to its relaxed position so the carbon dioxide rich air is expelled out of the body.

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The process of releasing energy by the oxidation of food is known as respiration. It involves intake of oxygenated air into the cells for breaking the food and releasing energy.

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The process of respiration --

➠ Air is drawn into the body through the nostrils.

➠ Air from the nasal cavity passes to the pharynx which leads to the trachea through a slit which is called glottis.

➠ Trachea runs down the neck and divides into two bronchi which lead into the lungs and further divide into smaller bronchioles then the smallest bronchioles terminate into alveoli.

➠ The walls of the alveoli are thin and covered by blood capillaries to facilitate the exchange of gases in the lungs.

➠ In the alveoli the exchange of gases the exchange of gases takes place as the CO₂ formed of blood is replaced with O₂ and CO₂ is removed out of the body.

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A total lunar eclipse can last as long as an hour and three-quarters, but for a solar total eclipse maximum duration of totality is only 71/2 minutes.

Answer:

A total solar eclipse can last for several hours and totality can range from a few seconds to 7.5 minutes.