Fossils of Archaeopteryx are important because they ____
a. prove that dinosaurs could fly
b. indicate birds may have evolved from theropod dinosaurs
c. indicate theropod dinosaurs may have evolved from birds
d. indicate some dinosaurs were warm-blooded
e. show that small dinosaurs had feathers
b
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____________ ____________ occur when the moon, Earth, and sun form a right angle, creating the lowest high and
the highest low tides. Fill in the blank(s) with the appropriate word(s).
A parcel of air, with less than 100% relative humidity, that is rising because of heat energy derived from the surface is
A) stable. B) unstable. C) conditionally unstable.
Which of the following is considered a physical human health hazard?
A) malaria exposure B) earthquake C) cigarette smoking D) pollutant E) collisions
Volcanic island arcs and continental volcanic arcs are both associated with convergent plate boundaries. However, the lavas that their volcanoes erupt are different. Where does the lava come from for each type of volcanic arc?
What will be an ideal response?