Discuss how classification systems have undergone several changes over a period of time?

Discuss how classification systems have undergone serveral changes over period of time.

Why are the classification systems changing every now and then?

A..........displays that changes continously over periods of time.

Climate refers to the physical environmental factors of an area. These include duration and intesity of light, temperature, humidity, wind, gases, etc. The climate change refers to the changes in these environmental factors of an area over long eriod of time. Main culprit of such climatic change is man himself as his activities are adversely affecting the delicate ecological balance between various components of the environment. Answer the following questions regarding climate change. Problem of global warming is increasing with time. Why?