Briefly explain how hydrolysis results in the weathering of some minerals.
Question 2The ancestors and early members of the phylum ____ were soft-bodied organisms that left few fossils.
A)Protozoa
B)Chordata
C)Bryozoa
D)Mollusca
E)Arthropoda
Question 3Wind velocities are greater than water velocities, and therefore, wind can carry more sediment than water.
Indicate whether the statement is true or false
Question 4What is differential weathering?
Question 5The vast epeiric sea of the Middle Ordovician was ____.
A)very deep
B)uniformly warm
C)very cold
D)lifeless
E)super-oxygenated
Question 6Why do scientists study glaciers to better understand climate change? What do studies of glaciers contribute to our understanding of current climate trends?
Question 7Soil undergoes chemical deterioration when its ____________________ are depleted causing its productivity to decrease.
Fill in the blank(s) with correct word
Question 8The mass extinction at the end of the Ordovician wiped out about half of the ____ population.
A)dinosaur
B)vascular plant
C)non-vascular plant
D)brachiopod and bryozoan
E)stromatoporoid and rugose coral
Question 9Compare and contrast valley and continental glaciers.
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