This Figure Shows a Disconformity Between an Upper Dark Layer

question 19

Multiple Choice

This figure shows a disconformity between an upper dark layer being deposited by the sea) and a lower light-colored layer. What happened to form this disconformity?

• A) The lower layers were tilted and untilted before deposition of the upper layers.
• B) The boundary between the two units indicates that for a time there was either erosion or no deposition.
• C) The lower limestones were converted into another rock type by seawater.
• D) The upper layer must have been deposited by volcanic eruptions.

---

Definitions:

Codes of Ethics

Written guidelines issued by an organization to its workers and management to help them conduct their actions in accordance with its primary values and ethical standards.

Corporate Social Responsibility

An approach in business aimed at fostering sustainable progress by ensuring economic, social, and environmental gains for all parties involved.

Profit

The financial gain obtained when the amount earned from a business activity exceeds the expenses, costs, and taxes needed to sustain the activity.

Codes of Ethics

A set of guidelines designed to set out acceptable behaviors for members of a particular group, organization, or profession.