If one topographic contour represents an elevation of 60 feet, and the next contour represents 80 feet, then the _______________ is 20 feet. (two words)
Fill in the blank(s) with correct word
contour interval
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What do the electron configurations for all the group 18 noble gases have in common?
A. They occupy the same number of shells. B. Their outermost occupied shells are filled to capacity. C. They have the same number of electrons. D. all of the above
The amount of water evaporated from the ocean is approximately one meter per year, but due to natural circulation, the storms replace the water in liquid form
Indicate whether the statement is true or false
Why is it so difficult to determine how fast sea level is rising?
What will be an ideal response?
In what form do aromatic amines exist at physiological pH (pH= 7.4)?
A) largely as neutral molecules B) largely as their conjugate acids C) as a mixture of neutral molecules and their conjugate acid, but with a slight predominance of the conjugate acid D) as a 50/50 mix of neutral molecules and their conjugate acids