Problem:
Question: Why is carbon so prevalent in biological molecules such as lipids?
Choose the correct answers from below
i. carbon-based molecules tend to be extremely unstable
ii. carbon-based molecule can take a number of different conformations
iii. carbon can share electrons with hydrogen to form hydrocarbons
iv. carbon is one of the rarest elements on earth
v. carbon can form up to four covalent bonds with other atoms
Please provide correct answer and also explain your answer.