How do auxins promote the growth of a tendril around a support?

How do zinc reacts with air?

How do fats enter the respiratory pathway?

A LASER is a source- of very intense, monochromatic, and unidirectional beam of light. These properties of a laser light can be exploited to measure long distances. The distance of the Moon from the Earth has been already determined very precisely using a laser as a source 'of light. A laser light beamed at the Moon takes 2.56 s to return after reflection at the Moon’s surface. How much is the radius of the lunar orbit around the Earth?

How do an eddy current generate?

How do proteins enter the respiratory pathway?

How do you explain with the help of graph, the increase in the value of molar conductivity with dilution in case of strong and weak electrolyte?

What do you mean by vulcanisation of rubber? By this process how the properties of natural rubber are improved?