Which type of fish fin is rigid and efficient for propulsion and isa found on a fast-cruising fish such as tuna, marlin, and swordfish?

a) heterocercal
b) lunate
c) rounded
d) truncate
e) forked


B

Environmental & Atmospheric Sciences

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When  Po emits a beta particle, it transforms into a new element. What are the atomic number and atomic mass of this new element?

A. atomic number = 85; atomic mass = 218 B. atomic number = 86; atomic mass = 214 C. atomic number = 82; atomic mass = 214 D. atomic number = 84; atomic mass = 219

Environmental & Atmospheric Sciences

The local illumination condition in a hillshade view can be influenced by

A. sun's angle B. local slope C. local aspect D. all of these are correct

Environmental & Atmospheric Sciences

Of the following, the city with the highest average of annual heating degree-days is:

A) Salt Lake City, UT. B) Cleveland, OH. C) Anchorage, AK. D) Chicago, IL. E) Atlanta, GA.

Environmental & Atmospheric Sciences

Which of the following terms refers to the temperature to which air must be cooled in order to become saturated?

A. wet-bulb temperature B. minimum temperature C. dew-point temperature D. freezing point

Environmental & Atmospheric Sciences