Which of the following logically support the topic sentence below? Organic produce is worth the extra cost.

1. Organic farming is sustainable and better for the environment.
2. Organic farming requires a different kind of labor that makes for better social relations.
3. Organic produce does not contain pesticides and chemical fertilizers that might be bad for you.
4. Big corporations have undermined the benefits of organic farming.
5. In addition to buying organic produce, we should also use organic eggs.

In this unit we learned about arguments and

Magnesium is the fourth most abundant mineral in the body and is essential to good health. magnesium is needed for more than 300 biochemical reactions in the body. it maintain normal muscle and nerve function, keep bones strong, keep one’s heart rhythm steady, and supports a healthy immune system. magnesium also regulate blood sugar levels, promotes normal blood pressure, and may play a role in energy metabolism and protein synthesis. doctors and scientists are trying to determine whether magnesium may play a role in preventing and managing disorders such as hypertension, cardiovascular disease, and diabetes. which is the main idea of this paragraph? a. the role of magnesium in human nutrition is being studied intensely. b. magnesium may be related to the body’s metabolism and other healthy functions. c. magnesium appears to contribute to hypertension, cardiovascular disease, and diabetes. d. magnesium and a healthy immune system are separate diseases.

The story is about a postmaster who is trying to adapt to the new life in the village of ulapur. in what way is the postmaster's life different from his life in urban calcutta?