Which of the following definitions most closely describes a goal:

a. An observable and measurable step toward releasing responsibility
b. A nebulous ambition for the future
c. A desired result that you envision, plan and commit to achieve.
d. A hope and dream that is unrealistic

c.A desired result that you envision, plan and commit to achieve is the correct answer.

Explanation:

The goal means the development of the plan that is made to motivate and lead and also give a proper direction.The goal is a point or target that people want to achieve.Goals are set or plan by the people to achieve success.Goals in someone's life help them to increase their desire.The goals must be well defined, specific,clear, measurable.

The one that most represents the earths mantle would be the skin since the mantle is the upper part of the earths depths which is just like the skin of an apple.