Questions

Answer A is incorrect because it pertains to the processes. Answer C is incorrect because these are the five phases of a project. Answer D is incorrect because there are 39 processes, not knowledge areas.

"National Volunteer Day" & "International Peace Day" are observed on 21st september every year.

A Hole.

When you are digging a hole the more you take out the soil, the igger the hole becomes.

This orbital velocity at the moon is less because orbital velocity = rg

where 'r ' is the orbital radius. i.e the distance of the body from the center of the earth and 'g' is the acceleration due to gravity on the body in question. In the case of the moon, both r and g are less than in the case of the earth.

Sublimation is a process when a solid changes directly into gas instead changing into liquid first. Dry ice is an example of Sublimation process because it doesn't change into liquid CO2 and directly change into gaseous CO2 when heated.

Hence, Dry ice is an example of Sublimation process.