The scientific process and scientific knowledge are based on
A. observation alone
B. a systematic process of learning about and testing our understanding of the world
C. the fact that all hypotheses can be proven true
D. quantitative data alone
Ans: B. a systematic process of learning about and testing our understanding of the world
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Why is a phenol more acidic than a regular alcohol?
A) Phenols have the ability to spread the negative charge that forms. B) Phenols have the ability to readily accept the positive charge of the proton. C) The negative charge is very concentrated on the oxygen ring of the phenol. D) The phenol has more negative charge and therefore is more stable. E) Phenols are not more acidic than a regular alcohol.
Which statement describes turbidites?
a. They are graded layers of terrigenous sand mixed with finer pelagic sediments. b. They are propelled into position by gravity rather than water currents. c. They are composed of distinct layers that represent various turbidity current events. d. All of these choices are true about turbidites.
Which cloud type below will only produce precipitation by the collision-coalescence process?
a. a thick, cold nimbostratus cloud b. a thick, warm cumulus cloud c. a thick, cold cumulus cloud d. a thick, supercooled cumulonimbus cloud with abundant nuclei e. a supercooled cumulus congestus cloud
The Beaufort wind scale measures wind speed
A) with an anemometer. B) by observed effects. C) using satellites. D) with a wind vane.