The development that set the stage for the evolution of animals that lived entirely on the land was the ____________________
Fill in the blank(s) with correct word
amniote egg
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Compared with terrestrial radiation, radiation from the Sun has a
A. shorter wavelength. B. higher frequency. C. both of these D. none of the above
Suppose the air temperature is -5°C, the wind is blowing at 55 km/h, and the wind chill temperature is -15.3°C. Which of the following temperatures and wind speeds are equivalent to these conditions?
A. a -10°C air temperature and 10 km/h wind B. a 0°C air temperature and 45 km/h wind C. a 10°C air temperature and 60 km/h wind D. a 5°C air temperature and 60 km/h wind
Briefly explain the principle of the mercury barometer. Mercury is relatively expensive and toxic. Why do you think mercury is used in barometers instead of another fluid such as water?
What will be an ideal response?
In the diagram below, regolith forms in which area?
A) A
B) B
C) C
D) D