Which of the following is not an impact associated with the use of hydroelectric energy?
a.
release of contaminants
b.
interruption of natural water flow
c.
increase of riverbed erosion
d.
disruption of aquatic wildlife

The solstices and equinoxes, and the number of hours of daylight associated with each, are major factors in the seasons. use the drop-down menus to identify the month when each of these events occurs. the winter solstice in the northern hemisphere: an equinox in both hemispheres: the summer solstice in the northern hemisphere:

Distance that lewis and clark traveled from st. louis to ft. clatsop near the pacific ocean.

Rectangle qrst is shown. angle qrt is congruent to angle str, and angle str is complementary to angle qtr. which statement is true about angles qrt and qtr? they are congruent. they are complementary. they are supplementary. they are right angle