If the Average Score of the First Two Exams Is

question 55

True/False

If the average score of the first two exams is 80 and the score of the third exam is higher than 80,then the average score of all three exams must be higher than 80.

---

Definitions:

Accretion

The addition of tectonic terranes and other material to an existing landmass, usually along a convergent or transform plate boundary.

Rifting

The process of the Earth's crust being pulled apart, leading to the formation of rift valleys and potentially new ocean basins.

Subsidence

The gradual sinking or settling of an area of land, which can be caused by natural processes or human activities.

Continental Platform

A broad region that surrounds the continental shield and typically exposes horizontal to gently dipping sedimentary rocks.