As an interstellar gas cloud shrinks in size, its gravitational potential energy:

In the developed world, women are increasingly more likely to delay childbirth until their mid- to late- twenties or long because

Crisis in rivalries between the serbs, croatians and muslims has been going on for centuries and only intensified during the 1990s when non-communist rulers were elected

The percentage of people in the united states engaged in agriculture in 2000 was approximately a. 56% b. 38% c. 21% d. 2%