Why were there no samples of rocks from the early Precambrian era?

6. A fine-grained texture most likely formed when a magma cooled a. deep within the Earth. b. at two different rates. c. close to the Earth's surface. d. slowly.

Which two regions does the Sunbelt overlap?

Which of these correctly lists the stages of development of the inner planets A) inner planets ® protoplanets ® heavier elements ® planetesimals B) protoplanets ® planetesimals ® inner planets ® heavier elements C) heavier elements ® planetesimals ®

What are the two theories behind why tectonic plates move?

Geographers divide precipitation into three types

Trees in deciduous forest do what? A. Shed leaves during one season B. Grow in a warm Mediterranean climate C. Have needlelike leaves D. Grow in a climate that is cold year round

How many miles long is the great wall of china

What landforms are created at convergent boundaries?

In which direction does the Sun appear to move across the sky? Ofrom west to east from east to west from north to south from south to north

What is a planetary nebula neither a planet nor a nebula?