Some of the oldest known rocks, which have been dated at about 4.0 billion years, are metamorphic
What does this tell us about the age of Earth?c What will be an ideal response?
Earth must be older than this because there had to be a preexisting rock for it to become
metamorphosed.
Environmental & Atmospheric Sciences
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The majority of people in South Asia are
A) Jains B) Christian C) Muslim D) Hindu E) Sikh
Environmental & Atmospheric Sciences
What is the point of subsurface origin of an earthquake called?
a. focus b. ground zero c. epicenter d. scarp e. nexus
Environmental & Atmospheric Sciences
Name the two periods into which the Cenozoic is divided. What will be an ideal response?
Environmental & Atmospheric Sciences
The economic and political system of the Russian Empire was not sustainable in the modern era.
a. true b. false
Environmental & Atmospheric Sciences