The current interest in continental drift was started with the notion of sea- floor spreading, which was propounded by hess and dietz in the ) 1700s b) 1850s c) 1990s d) 1890s e) 1960s

However, had it been a real sound, the sound's pitch would have been increased by the doppler effect, since the falcon was moving the source of the sound. perpendicular to away from towards at the same speed as

Find the equation for the plane through upper p 0 left parenthesis negative 4 comma negative 8 comma negative 5 right parenthesis perpendicular to the following line. xequalsnegative 4 minus t, yequalsnegative 8 plus 2 t, zequals3 t, minusinfinityless thantless thaninfinity

The substances that are necessary for producing of certain hormones and that store and transport vitamins