Which radioactive isotope is most often used when determining the age of fossil bones found in sediments deposited during the Holocene Epoch? 1. carbon-14 2. potassium-40 3. uranium-238 4. rubidium-87

- ¿Cómo contribuyeron las diferentes dinastías a la cultura china? __

How many of the five climate types can be found in the US? A. one B. two C. four D. five Please select the best answer from the choices provided A B C D

Granite and gabbro __ have a similar mineral composition have a similar texture are similar in both texture and mineral composition are not similar in either texture or mineral composition

How long after the Earth was formed did it take to achieve the state we recognize now? About 500 millior years. About 1 billion years. About $10-20$ million years. About 100 million years.

Geologists use both color trends and texture to identify and name igneous rocks. True False

In what other specific ways might GPS be useful? Select all that apply. View Available Hint(s) Mapping areas where natural resources occur Recording mountain heights D Determining an exact location D Collecting satellite imagery Analyzing geographic data Charting the distance covered when walking your dog.

The spacing of what feature indicates how steep a slope is? a blue lines b v-shapes C contour intervals d contour lines

The section of highway called The Connector is found in what metropolitan area? 1) New York City 2) Atlanta 3) Washington D.C. 4) Los Angeles

Which group of minerals is made of silica tetrahedra arranged in complex 3D networks? inosilicates nesosilicates phyllosilicates tectosilicates

Why are there more earthquakes in California than Tennessee? There is more plate movement in Tennessee. There is more plate movement in California. California is breaking off to fall into the ocean.