There are many types of sound devices. For example,
Assonance: Assonance is the repetition of vowel sounds in the same line.
Consonance: Consonance is the repetition of consonant sounds in the same line.
Alliteration: Alliteration is the repetition of consonant sounds in the same line.
Meter: It is a unit of rhythm in poetry, the pattern of the beats.
Onomatopoeia: It refers to the word which imitates the natural sounds of the things.
Answer:
A. First one with Sun at the center.
Explanation:
Aristarchus was a Greek scientist who proposed the theory that its not Earth which is fixed, its the Sun that has a fixed position and is placed at center where are all other planets are located at some distance from it and revolve around it. This theory is referred as "Heliocentric".
