The present estimate of the Earth's age is about ________ years
A) 50 million
B) 500 million
C) 2.8 billion
D) 4.6 billion
E) 2.8 trillion
Answer: D
You might also like to view...
Why are some lakes more affected by acid rain than others?
What will be an ideal response?
Placer deposits are expected in what type of rock?
A) igneous B) sedimentary C) metamorphic D) hydrothermal
Which of the following geologic situations is most likely to contain significant oil concentrations?
A) 1.1-billion-year-old rocks that accumulated in the vicinity of a divergent plate boundary B) 200-million-year-old rocks that have been exposed by uplift in a subduction zone C) 300-million-year-old rocks that accumulated in a subsiding sedimentary basin D) 150-million-year-old rocks that are flat lying and unfaulted
What tectonic phenomenon formed the Hawaiian Islands?
A. hot spot B. divergent boundary C. ocean–ocean convergent boundary D. ocean–continental convergent boundary E. transform boundary