Subarctic climates contain primarily which type of vegetation?
a. mediterranean woodland shrub and grassland
b. coniferous forest
c. ice cap
d. mid-latitude prairie and steppe grassland
e. tundra
Answer: b. coniferous forest
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An amine can often form R-NH3+ (where R- can stand for anything) by reacting with water. What is happening?
A. The amine is accepting a proton from the water molecule, forming OH-. B. Amines are basic. C. Amines can form H3O+ in water by donating a proton from the polar portion of the molecule. D. Amines are acidic. E. none of the above
We should never assume that any aspect of culture has diffused unless we can demonstrate the path of diffusion from one culture to another
Indicate whether the statement is true or false.
Which of the following is NOT a projected effect of global warming for the coming century?
A) increase in intense hurricane activity B) increased risk of avalanches C) a decrease in the areas affected by drought D) increased risk of landslides and mudslides
The most common reason that introduced species negatively impact an environment is because they
A. Disrupt preexisting niches B. Are larger than native species C. Are unusually efficient predators D. None of these is correct