Question

A green light is incident from the water to the air - water interface at the critical angle (θ). Select the correct statement.

Answer 1

Because they provide oxygen ,helps in respiration and maintain the balance of oxygen and carbon dioxide in atmosphere .

it absorb water through their roots and release water vapor into the air by evaporation through the leaves.

BE SMART......^_^

Answer 2

The ductus choledocus is the duct formed by the union of the cysticduct and the hepaticd uctthatcarriesbile from the liver and the gallblad dertothe duodenum.

Thanks and Regards

Apoorva Arora

IIT Roorkee

askIITians Faculty