When the combustion engine was invented it had many positive effects on society, but years later it has been discovered that the burning of oil and coal has one major negative effect on the environment. What is that negative effect? It improves air quality

It uses renewable resources

It causes an increase in greenhouse gasses

It is sole cause for the hole in the ozone layer.

How many atoms of oxygen are contained in 160 grams of n2o3

Two people each hold the end of a rope and create waves by moving their arms up and down. this wave is best classified as a transverse wave because a) both the rope particles and the wave are moving in the same direction. b) the wave is moving up and down as the particles of the rope move horizontally. c) the wave is moving horizontally as the particles of the rope move up and down. eliminate d) the wave is moving in a parallel direction with the motion of the person's arms.

Describe the forces both attractive and repulsive that occur as two atoms move closer together.