Calcite and halite are both held together by ionic bonds. Calcite has a +2 charge and halite a +1. Which is stronger?
A) halite
B) calcite
C) they are equally strong
D) they are equally weak
Answer: B
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Marine areas where no human activity is allowed are called
A. marine reserves. B. MPAs. C. coral reefs. D. coastal zones. E. ocean parks.
A crate sliding down an incline at a constant velocity is
A. in dynamic equilibrium. B. in a state of being in and out of dynamic equilibrium. C. not in dynamic equilibrium. D. none of the above
Cowbirds are so named because they followed the large herds of cows that were driven throughout the American west before large tracts of land were fenced. Cowbirds consumed the insects that invariably followed the herds
There was no obvious benefit or other effect on the herds. This is an example of ____________________. Fill in the blanks with correct word
In which bioregion does a prolonged summer-season drought bring a unique array of vegetation?
A) Mediterranean B) Tropical Rainforest C) Tropical Savanna D) Steppe E) Deciduous Forests