Polluting chemicals enter the environment only through human activities
Indicate whether the statement is true or false
F
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Which of the following statements explains why large cloud droplets fall faster than small cloud droplets?
A. The ratio of the drop's surface area to its weight is smaller. B. The ratio of the drop's surface area to its weight is larger. C. Gravity acts more strongly on larger droplets. D. Gravity acts less strongly on larger droplets.
Which Köppen climate type (or types) is most closely associated with the tropical rainforest biome?
Using the global map of biome distribution (Map T-30 in the back of the Lab Manual), the map of climate distribution (Map T-29), the maps of global temperature (Maps T-28a and T-28b), the map of global precipitation (on the inside front cover of the Lab Manual), as well as information about Köppen climate types from Exercise 23, answer the question. What will be an ideal response?
You find an old tree stump in a forest and would like to use it for tree-ring analysis, but you don't know when the tree was cut down. The best way to establish dates for the analysis is to:
A) submit the tree stump to carbon-14 dating analysis. B) estimate the age of the tree stump based on the level of decay it has experienced. C) assign small rings to years of known droughts. D) compare patterns in the tree rings to ring chronologies sampled from nearby trees on known dates.
Which of the following amino acids is not found in collagen?
A) glycine B) hydroxyproline C) proline D) None, they are all found in collagen.