As Understood by Modern Geologists,the Principle of Uniformitarianism Implies That

question 44

Multiple Choice

As understood by modern geologists,the principle of uniformitarianism implies that ________.

• A)the Earth has always had the same basic appearance that it has today
• B)igneous,metamorphic,and sedimentary rocks are uniformly mixed throughout the crust
• C)physical processes observed today (such as erosion and volcanic eruption)have been active in the past and are preserved in the rock record
• D)physical processes observed today (such as erosion and volcanic eruption)have been occurring throughout Earth history at constant rates

---

Definitions:

Posterior Tibial Artery

A major blood vessel that supplies blood to the lower leg and foot.

Superior Vena Cava

The large vein carrying deoxygenated blood from the head, neck, and upper limbs to the heart.

Inferior Vena Cava

A large vein that carries deoxygenated blood from the lower and middle parts of the body to the right atrium of the heart.

Upper Limbs

Refers to the arms, from the shoulders to the hands, inclusive of all the bones, muscles, and joints in between.