Of the following, which provide the most complete picture of whether a population of humans grows, shrinks, or remains stable?
a. the carrying capacity
b. availability of medical procedures
c. affluence and technology
d. rates of birth, death, immigration, and emigration
Answer: d. rates of birth, death, immigration, and emigration
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When do tidal currents reach their maximum velocity?
A) Midway between slack water and high tide B) During the period of slack water C) Midway between high and low tide D) Midway between low tide and slack water
If the two bodies in part (a) were the same size, what would be the ratio of the heat emitted by the hotter object to the heat emitted by the colder one?
What will be an ideal response?
Which of the following minerals would best be utilized for extracted iron to make steel?
A) hematite B) dolomite C) quartz D) talc
Why do some minerals exist in more than one color?
What will be an ideal response?