Answer:
we live separately from our whole family
The passage gives a brief overview of the history of mad cow disease. It details when and how it started, the spread of the disease, and the efforts taken to eradicate it.
"Their" is correct, because it shows possession of the desk by someone else.
Answer:
"If you’re serious about getting healthy, it’s imperative that you follow a healthy lifestyle, make the right food choices, and exercise regularly."
