As soap removes grease from a material, which of the following occurs?
A) The grease is adsorbed on the outer surface of a micelle
B) The grease is enclosed within the body of a micelle
C) both a and b
D) neither a nor b
B
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This signal is consistently transmitted by shopping malls to all, regardless of gender, age, class, or race
A) Appreciate architecture B) Consume, consume C) Observe social standards of behavior D) Buy low, sell high
Which of the features below was the first to appear in hominids?
A) a large brain B) tool-making C) language D) an upright posture
A landform that was deposited by a river flow beneath a glacier is a(n):
a. esker b. drumlin c. valley train d. outwash plain
A diurnal mixed tide is characterized by which of the following?
A. Two high and two low tides per tidal period at the same high- and low-tide levels B. Two high and two low tides per tidal day at different high- and low-tide levels C. One high and one low tide per tidal day D. Two high and two low tides per tidal day at the same high- and low-tide levels E. Two high and two low tides per tidal period at different high- and low-tide levels