Some people view the rapid population growth in less developed nations as the primary cause of environmental problems. Others see the high rate of resource use per person in more developed countries as the problem. Which factor do you think is more significant? Why?

In an exothermic reaction the bonding energy of the product is: less than the reactants same as the reactants greater than the reactants dependent upon the presence of a catalyst

When a septic tank backs up a goes in to clean it out

Clyde and marilyn are riding a roller coaster. during which section(s) of the track is their potential energy converted to kinetic energy? a. from point b to point c only b. from point b to point d only c. from point a to point b only d. from point a to point b and from point c to point d