The reasons for low rate of plastic recycling are:
1. Scrap plastic has little value because virgin material is rather cheap
2. Low density of plastic leads to high shipping and handling cost
3. Recycling leads to a very severe public health hazard
Which of the above reasons are correct?
1. 1, 2 and 3
2. 1 and 2 only
3. 1 and 3 only
4. 2 and 3 only