The excessive use o any drug is called a. drug misuse. b. drug addiction. c. drug tolerance. d. drug abuse.
2.1 PATTERNS IN THE NIGHT SKY Constellations • Constellations- region of the sky with well defined borders • Names and borders of the 88 official constellations were made in the 1928 by the members of the international astronomical union (IAU) o Most lived in the Europe or US o Constellations in the northern hemisphere can be traced back to civilization of ancient middle east while the southern hemisphere are named by the European explores in the 17 thcentury. The Celestial Sphere • Constellation appear to lie close to one another but are far apart because they may lie at very different distances from earth o Due to the lack of depth perception when