Answer:
DNA: 2 strands, Deoxyribose, Nucleus, A pairs with T
RNA: 1 strand, Ribose, Nucleus & Cytoplasm, A pairs with U
Explanation:
A) The stars core shrinks
The star will contract under the weight of gravity.
When it contracts it will heat up and expand to a red giant.
When the star runs out completly of helium it would emit gasses and form a star nebula.
It would then become a white dwarf then into a black dwarf.
A) That organisms have changed over time
The Solar System. Contains of the Sun, the planets, and other things orbiting the sun<span />
