Observations of the center of our galaxy known as sgr a* show that about 4.6 million solar masses are crammed into a volume that has a diameter that is no larger than the orbit of mercury true false

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

[ou.01]which of these is the most likely use of an electromagnetic wave which has wavelength shorter than microwaves but longer than visible light? o heat food safely o neat food safely o take images of bones and teeth o transmit radio and cellular phone signals o take images of bones and teeth o transmit radio and cellular phone signals o detect the location of objects which emit heat

What is unusual about the iraq mountains ,in spite of their old age?