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. quartz; feldspar B. olivine; feldspar C. feldspar; quartz D. silicate; carbonate
Because of their specific effects exerted by mimicking hormone chemical structure and function, hazardous chemicals that are endocrine disruptors will cause abnormal events in
A) the musculoskeletal system. B) digestion and absorption of foods. C) growth, metabolism, and reproduction. D) vision, hearing, and taste.
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.
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