Answer: Gemstones of various minerals are highly prized for beauty, durability, and rarity. Some noncrystalline materials of organic origin. Examples are pearl, red coral, and amber also are classified as gemstones. Gemstones have attracted people since the ancient times, and have been used for jewelry.
Explanation:
Answer:
C. The universe coalesced into one solar system after the Big Bang.
Explanation:
This is true because, since she is writing about Big Bang theory, she would have to include how the universe was able to expand to one solar system made up of different planetary bodies. This explanation would help someone reading her writeup to understand what the Big Bang theory is all about.
Answer: 50%
Explanation: just answered this question
The correct answer is chromatin. Chromatin<span> describes macromolecules in cells composed on </span>DNA<span>, </span>protein <span>and </span>RNA. Chromatin has various functions in cells. The main functions are<span> to package DNA into a compact shape, to allow mitosis by reinforcing the DNA macromolecule,</span><span> to prevent </span>DNA damage<span>, and to control </span>gene expression<span> and DNA replication. </span>