In the Early Cambrian, there was a great diversity of fauna that represented many phyla that exist
today. Indicate whether the statement is true or false.
F
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Continental crust commonly is less dense than oceanic crust. Indicate whether the statement is true or false
A dry climate might impact how people live by increasing
A. the likelihood of earthquakes. B. both the risk of drought and other water shortages and irrigation needs. C. irrigation needs. D. the risk of drought and other water shortages. E. the likelihood of volcanic activity.
What economic and environmental factors contribute to reliance on biofuels in this region?
What will be an ideal response?
When a particular solid sample is examined under a microscope it is observed that there are regions which are black and regions which are yellow. What type of material is this sample?
A) a compound B) an element C) a homogeneous mixture D) a heterogeneous mixture