Which organism is from the same time period as the Ammonite fossil? ha. Bird
B. Dinosaur
C. Brachiopod
D. Trilobite

Gemstones are commonly found in pegmatites, which are igneous rocks that are a. exceptionally mafic b. exceptionally coarse grained c. exceptionally fine grained d. extrusive, forming from lava

In the developed world, women are increasingly more likely to delay childbirth until their mid- to late- twenties or long because

What did the pattern of earthquakes in the wadati-benioff seafloor zones show scientists? a.) earthquakes occur where the ocean floor reaches its highest temperatures. b.) many earthquakes take place 700 kilometers below the seafloor. c.) slabs of ocean floor return to the mantle in subduction zones. d.) ocean - trenches cause earthquakes.