What compact objects are left behind after a stars explodes in a supernova? (one or more answers may be correct).
a neutron star.
a black hole.
another star of low mass.
a white dwarf.

Asimilarity between the governments of israel and iran is that a both are considered democracies b. both are ruled by a prime minister c. both give men and women voting rights d. neither allows political parties to exist

What is the climate of the himalayas? a. cold and wet c. cold and dry b. hot and humid d. hot and dry

Countries that have a traditional economy often develop at a slower pace than countries with a free market economy. true or false