Which of the following may display two different grain sizes?

a.

metamorphic rock

c.

igneous rock

b.

sedimentary rock

d.

magma

Which source of energy most directly fuels instability in earth's atmosphere?

The African plate is moving toward the Eurasian plate at a rate of a few centimeters per year. How will this area change in 100 million years? In your answer, consider how continents will change and how the Mediterranean Sea will change.

Which planet is the most massive of the gas giants? a. jupiter b. saturn c. uranus d. neptune

Noting that you are exactly on the opposite side of earth from the sun what time is it

Why are earthquakes more common in California than the midwest states.

Which is the most accurate method of showing the entire surface of the earth? A. Mercator projection B. globe C. global gores D. Robinson projection

A geologist is making repeated measurements) in grams) on the massof a rock. It is not known whether the measurements are a randomsample from an approximately normal population.

Which term refers to South Asia's unique geographical position in Asia

According to Alonso, Mexican nationalist ideology completely ignores the contributions of which group that was part of colonial Mexican society? A) European whitesB) African slavesC) CreolesD) conquered indigenous peoples

Planets travel at a constant rate around the Sun. a. True b. False