Blow on your hand and you feel the warmth of your breath. Pucker your lips so your breath expands as you blow and your breath is
A. cool.
B. still warm.
C. neither of these
D. not enough information
Answer: A
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Which of the following statements describes wind-chill factor?
A. It indicates the temperature at which water freezes on exposed skin. B. It relates body heat loss in wind conditions to an equivalent temperature with no wind. C. It tells farmers when to protect crops from a freeze. D. It takes into account humidity and air temperature in expressing the current air temperature.
What process accounts for the layers found in Earth?
a. Plate tectonics b. Accretion c. Density stratification d. Subduction
Lightning, thunder and hail typically accompany cumulus clouds
Indicate whether the statement is true or false
Explain why there are so many malnourished people on the planet
What will be an ideal response?