HELP PLEASE - i’ll mark brainliest , please don’t answer if your not giving the full answer

What happened in 2012 and how does it illustrate the importance of understanding the sun and how it works?

7. in the cycle, a virus integrates its dna into the host's dna, and its dna is replicated when the host dna is replicated. a. infectious b. retroviral c. lysogenic d.lytic

Suppose that a certain fortunate person has a net worth of $71.0 billion ($7.10×1010). if her stock has a good year and gains $3.20 billion (3.20×109) in value, what is her new net worth?