Answer:
1.Application software help the end users perform single or multiple tasks.
2.All the useful work are done by application software.
3.It is a word processing software.
4.It control and manage the operations of the computer.
Explanation:
It can be used for general purpose as well as specific function.
20% of the Earths crust is made up of non-silicate minerals
Answer: Passive diffusion or facilitated transport.