?Scientists are human and not always free of bias about their own results and hypotheses.
Answer the following statement true (T) or false (F)
True
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When the Sun passes between the Moon and the Earth, we have
A. a lunar eclipse. B. a solar eclipse. C. met our end.
A marine regression is characterized by ____
a. rocks that get younger in the direction of land b. igneous intrusions caused by seafloor spreading c. rocks that get younger in a seaward direction d. the presence of one facies e. the deposition of a single rock type
The existence of water vapor can:
A) increase atmospheric pressure. B) decrease atmospheric pressure. C) cause winds to be stronger. D) increase the density of a sample of air.
It took more than 100 years for the world’s population to double from 1 billion to 2 billion. How long did it take for the world’s population to increase from 4 billion to 5 billion?
a) Fewer than 15 years as the result of exponential growth b) Half the time of the first doubling, about 50 years c) More than 100 years; 1 billion people are added each 100 years d) The world’s population has not yet reached 5 billion