One mineral is held together by van der Waal's forces and the other is held together by metallic bonds. Which is stronger?
A) They are equally strong.
B) They are equally weak.
C) The mineral held together by metallic bonds is stronger.
D) The mineral held together by van der Waal's forces is weaker.
Answer: C
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Replacement migration is used to
A) admit family members. B) admit newcomers with useful skills. C) admit people who require fewer medical treatments. D) replace uneducated people with those with college degrees. E) replace younger people with older people.
The absolute temperature scale that contains no negative numbers is the ____, which makes it convenient for scientific computing
A) Fahrenheit B) Celsius C) Kelvin D) Convection
Between 1974 and 2005, which region had the most rapid growth of manufacturing output?
A) Mexico B) Central America C) East and SE Asia D) Brazil E) India
In the wetter regions of humid continental, hot summer climates, grasslands are the natural vegetation
a. True b. False Indicate whether the statement is true or false