One reason that sedimentary rocks are important in deciphering Earth history is that they ____
A)contain fossils that are rare or absent in other types of rocks
B)reveal the types of volcanoes from which they came
C)are the most common type of rock on Earth
D)are present at spreading ridges and can help determine the age of the rock present
E)are so easily examined and understood
A
You might also like to view...
How many forces act on an upwardly tossed ball when it reaches the top of its path?
A. One; the force due to gravity. B. Two; the force due to gravity and the internal force in the ball. C. Two; gravity and the part of the force given by your hand initially. D. Three; gravity, the ball's internal force, and a turnaround force.
Which of the following statements is FALSE regarding socio-economical gender relations in the Caribbean?
A) men account for most new hires in assembly plants, data-entry firms and the tourism industry B) in rural regions men earn wages whilst women provide subsistence C) strong and self-sufficient female networks have developed due to men leaving home for seasonal employment D) women typically are the ones in charge of local street markets E) women may have local power in their communities but that power does not transfer into a higher status
Which of the following might be considered a viable application of a radioactive tracer?
A) adding a stream of radioisotopes to waste water to examine where pollution goes when it flows into the ocean B) placing radioactive sources around a room to trace the location of people as they move through the room C) embedding a radioactive plug in a valuable necklace so that its location can be determined using a Geiger counter D) all of the above E) none of the above
Dynamic lows result from
A) localized heating of the air from below. B) localized cooling of air from below. C) upper-tropospheric motions. D) lower-tropospheric motions.