Which of the following is the poorest conductor of heat?
a. still air
b. water
c. ice
d. snow
e. soil
ANSWER: a
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A) the musculoskeletal system. B) digestion and absorption of foods. C) growth, metabolism, and reproduction. D) vision, hearing, and taste.
The most common mineral in Earth's crust is ________ and the second most common mineral is ________.
A. quartz; feldspar B. olivine; feldspar C. feldspar; quartz D. silicate; carbonate
What is a function of a hose liner?
a. resist mechanical damage b. protect against thermal damage c. reduce friction loss d. withstand water pressure
The Bergeron process causes cloud droplets to grow because:
A) larger drops fall and collect smaller droplets in the cloud. B) freezing nuclei are much more common in the atmosphere than other condensation nuclei. C) water freezes instantly when its temperature reaches 0°C. D) the saturation vapor pressure is lower near ice crystals than it is near supercooled droplets.