Answer:
D.
Explanation:
Most settlements in the Middle East, especially Arabia are near the sea. Historically the main industry was trade and fishing, so those towns would be very important to those industries. Most new modern settlements are in areas with oil, those towns are mainly for the workers. The Middle East doesn't have a lot of the materials naturally from the other answer choices.
Answer:
Because of the holistic approach of the geography.
Explanation:
Almost any area of human knowledge can be examined from a spatial perspective.
Answer:
Corrective maintenance – costs due to modifying software to correct issues discovered after initial deployment (generally 20% of software maintenance costs)
Adaptive maintenance – costs due to modifying a software solution to allow it to remain effective in a changing business environment (25% of software maintenance costs)
Perfective maintenance – costs due to improving or enhancing a software solution to improve overall performance (generally 5% of software maintenance costs)
Enhancements – costs due to continuing innovations (generally 50% or more of software maintenance costs)
Explanation:
