Picoplankton number 100 million individuals in a liter of seawater, at all depths in the ocean
a. True
b. False
True
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Nationalism involves
A. membership in the United Nations B. the growth of standing armies C. each country's performance in the Olympics D. the desire of ethnic groups for self-government
What statement best describes the concept of mutation?
A)It only occurs through external influences on an organism. B)It only occurs in sex cells AND is always inheritable. C)It only occurs in the weakest organisms. D)It is random in terms of fitness of organisms AND cannot be inheritable. E)It is inheritable when occurring in sex cells AND is random in terms of fitness of organisms.
Despite having almost 200 million people, Brazil does not have much land
Indicate whether the statement is true or false
Which of the following best describes the evacuation dilemma?
A. It is not possible to be safe from both wind and water, forcing people to guess which will be worse in the coming storm. B. Storm surge projections are often wrong, leaving people to guess whether should evacuate or not. C. There are often more people living in coastal cites than can be safely evacuated in less than 72 hours, potentially trapping them in traffic jams when the storm hits. D. Driving to safety in the days before a storm is statistically more dangerous than being at the beach during a hurricane.