Tell where the sun rays fall perpendiculary only once in a year: a. in north pole circleb. in northern tropicc. in southern tropicd. in south pole circle

Suggest two reasons why irrigation is important for human development of the desert (4 marks)

Which of the following is an example of a policy that may be implemented by a business that has trouble with employees using the internet for their own personal needs? a. all employees will have to take a safety training class. b. employees caught using the internet for personal needs will have to take a professional development class. c. personal interviews will be conducted to find out who is using the internet for personal needs. d. employees will be monitored, but nothing will happen if their employer catches them using the internet for personal needs.

The covers all of earth like a thin shell,but it is not a solid sheet of material.it is broken up into several large sections and many smaller ones. fill in the blank.