Mesosphere is component of

The mesosphere is the layer of Earth’s atmosphere between 50 kilometers and 85 kilometers above Earth’s surface. At a distance of 50 kilometers from Earth’s surface, the temperature in the mesosphere is -5^(@) Celsius, and at a distance of 80 kilometers from Earth’s surface, the temperature in the mesosphere is -80^(@) Celsius. For every additional 10 kilometers from Earth’s surface, the temperature in the mesosphere decreases by k^(@) Celsius, where k is a constant. What is the value of k ?

What is the idle component or wattless component of AC ?

Name the different components of xylem and draw a living component ?

Name the different components of xylem and draw a living component.

Name the different components of xylem and draw a living component.

Name the different components of xylem and draw a living component ?