Match each body to its best description: black hole
an object so dense that
even light can not escape
its gravity
nebula

a large star that is
relatively cool
white dwarf
an old, very dense, hot star
that is cooling
red giant
a mass of gas and dust

2/6 of be by to 2/6 is to 24/72 ?

Impressions of tropical swamp plants were observed on rocks in polar regions. the impressions were dark black imprints, which means the fossils are examples of ( 1 ) the fossils tell us that polar regions ( 2 ) ( 1 ) a. carbonization b. mineralization c. trace fossils ( 2 ) a. had tropical plants that can grow in ice b. might have had a diffierent climate in the past c. will have abundent vegitation

Largest layer of atmosphere international space station orbits ultraviolet radiation causes ionization the phrases describe what layer of earth's atmosphere?