A region in space that is so dense that nothing, even light energy, can escape its gravitational field is known as a —
A). nebula
B). black hole
C). pulsar
D). black dwarf

What is king afonso willing and unwilling to do in return for the portuguese

Select the statement that is not true about the hubble telescope: a. it orbits above the earth, avoiding the light distortion caused by our atmosphere. b. it is mounted high on a hawaiian mountaintop to provide stable images. c. it has allowed scientists to see the formation of far-away stars and solar systems, leadin some certainty about the history of our own solar system. d. it has documented the destruction of far-away stars and galaxies, leading to some certa the theories of the life cycles of stars.

Which of the following is a resource outside the workplace that will you find information on safety and health issues? a.safety data sheets b.medical manuals c.the osha website d.work task and procedures intruction