<span>True. Contour lines are found on maps to determine equal elevation of connecting points. When a person walks along contour lines he neither gains nor loses elevation.
False. Relief does not refer to the height of an object above sea level. Mean Sea level determines the height of an object above sea level. <span>
</span></span>
Some light bulbs tend to emit more blue, some are more yellowish or reddish, but you can't always tell just by looking. I'm particularly interested in finding out how much blue light certain light bulbs I have produce.
Many of the driving forces of weathering depend on changes in c. pressure