HELP ME ON THIS PLEASE IS NO ONE SMART HERE OR WHAT THE FLOOR OF A GAZEBO IS IN THE SHAPE OF A HEPTAGON FOUR OF THE INTERIOR ANGLES MEASURE 135° THE OTHER INTERIOR ANGLES HAVE EQUAL MEASURES FIND THEIR MEASURES SHOW YOUR WORK

The impact of a large asteroid comet with earth has been proposed to have caused the extinction of the dinosaurs. the impact site of this comet is in or near

Which statement explains what upwelling causes? a. upwelling causes tides to rise and fall. b. upwelling causes changes in the direction of currents. c. upwelling causes nutrients, minerals, and tiny organisms to rise. d. upwelling causes currents in the pacific ocean to change direction. i think the answer is c.

[ou.01jthe greatest speed with which any physical object moves is 300,000 km/soundsec. which of the following has a speed of 300,000 km/sec? a.light in water b.light in vacuum c.sound in air. d. sound in water