Arrange the following stars in order of their evolution:
a star with no nuclear reactions going on in the core, which is made primarily of carbon and oxygen.
a star of uniform composition from center to surface; it contains hydrogen but has no nuclear reactions going on in the core.
a star that is fusing hydrogen to form helium in its core.
a star that is fusing helium to carbon in the core and hydrogen to helium in a shell around the core.
a star that has no nuclear reactions going on in the core but is fusing hydrogen to form helium in a shell around the core.

1. A star of uniform composition from center to surface; it contains hydrogen but has no nuclear reactions going on in the core.

2. A star that is fusing hydrogen to form helium in its core.

3. A star that has no nuclear reactions going on in the core but is fusing hydrogen to form helium in a shell around the core.

4. A star that is fusing helium to carbon in the core and hydrogen to helium in a shell around the core.

5. A star with no nuclear reactions going on in the core, which is made primarily of carbon and oxygen.

b) returns freshwater to the earth.

c) returns freshwater to the earth.c) occurs after condensation.

d) returns freshwater to the earth.c) occurs after condensation.d) roughly equal to the amount of evaporation.

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answer: the rock sample is a sedimentary rock.

explanation:

it is given that:

mass of rock sample, m = 2.7 g

volume of rock sample,

so, density of rock sample will be

since, the density of rock sample is . hence, the rock sample is a sedimentary rock, whose densities varies between .