They are efficient for rare diseases or diseases with a long latency period between exposure and disease manifestation.
The teddy bear symbolizes Cara's love for her grandfather because that text states that "Now, every time Cara misses her grandfather, she holds on tightly." This statement supports that everytime Cara misses her grandfater she squeezes it tightly to remind her love for him.
The answer is A because it is summarizing and telling what the pargraph is going to be about
I have this app called Wattpad. Technically just an app where you can read and create stories, as well as talk to people and much more. People also roleplay on it and it's a cool app.
